수학 I 빠른 정답 찾기
0001
-2i, 2i0002
3, -3z313~i20003
-2, 1z13~i0004
-3i, 3i, -3, 30005
-3, 30006
0.20007
-2, 20008
-3/2, 3/20009
40010
0.30011
20012
-2/50013
40014
50015
30016
20017
30018
10019
10020
1/80021
160022
a1/40023
a3/50024
a-3/40025
a1/30026
110q0027
4120028
13~30029
^3 120030
320031
10032
a^4 b^30033
ab^20034
23130035
53120036
a^1 ^00037
ab^20038
④0039
60040
②0041
③0042
60043
40044
⑤0045
70046
①0047
110048
⑤0049
10050
④0051
70052
①0053
④0054
⑤0055
4120056
②0057
60058
②0059
20060
⑤0061
27/50062
②0063
80064
③0065
⑤0066
1/30067
5^80068
37/60069
④0070
②0071
15/160072
②0073
70074
④0075
④0076
③0077
120078
300079
6480080
④0081
④0082
4/30083
15/40084
160085
1940086
④0087
180088
12~30089
④0090
⑤0091
1/20092
③0093
④0094
640095
-30096
①0097
20098
④0099
7/20100
20101
00102
③0103
810104
①0105
16 /10106
^3 120107
30108
40109
①0110
260111
①0112
120113
③0114
③0115
③0116
⑤0117
4120118
40119
③0120
20121
-40122
120123
1120124
40125
130126
2=log _4 `160127
-2=log _2 `0.250128
1/2=log _1 _0 _0 `100129
0=log _3 `10130
2^5 =320131
Ñ1/3Ò^^- ^^4 =810132
(13~)^4 =90133
4^- 3/2=1/80134
x>50135
0<x<40136
3<x<4 또는 x>40137
-4<x<-3 또는 -3<x<2 또는 x>20138
20139
-30140
-20141
40142
1/270143
250144
34/30145
160146
20147
11/20148
50149
5/30150
-23 /0151
30152
10153
30154
150155
30156
3 /20157
-3/50158
-30159
⑴ 1.4048 ⑵ 4.4048 ⑶ -1.5952 ⑷ -0.59520160
②0161
640162
③0163
②0164
②0165
④0166
20167
-50168
240169
3200170
11400원0171
⑤0172
3/40173
④0174
20175
240176
①0177
③0178
⑤0179
-10180
10181
160182
②0183
③0184
C<B<A0185
③0186
log _b a0187
㈎ 유리수 ㈏ 4^m ㈐ 짝수0188
④0189
④0190
③0191
⑤0192
16/50193
2ab+2b+1ab+b+20194
1-a+b0195
①0196
a+ab+abc1+abc0197
③0198
③0199
2mm+n
0200
①0201
160202
③0203
10/30204
30/310205
230206
20207
④0208
③0209
2/30210
③0211
③0212
20213
0.6040214
1000215
50216
130217
③0218
④0219
②0220
③0221
99/80222
④0223
7.70224
6.40225
39.90226
0.9550227
2400228
②0229
80230
②0231
20232
④0233
④0234
1810235
-100236
②0237
660238
80239
120240
20301
①0302
25/90303
5/20304
②0305
④0306
④0307
90308
2/90309
①0310
5/20311
600312
④0313
②0314
-30315
②0316
③0317
100318
⑤0319
-30320
①0321
x=00322
x=00323
③0324
20325
⑤0326
130327
④0328
400329
300330
-9/40331
90332
①0333
k_< 20334
②0335
-4<x<00336
-2<x_< 10337
-3_< x_< 10338
②0339
a_< -25/20340
③0341
10342
0<x<1 또는 x>30343
⑤0344
④0345
40346
30347
60348
30349
③0350
③0351
229200352
180353
⑤0354
390355
20356
④0357
1440358
90359
a<b<c0360
②0361
log _2 30362
④0363
②0364
②0365
450366
60367
x=-30368
60369
-2<x<10370
40371
y=log 1/2`x0372
y=3^x0373
⑴ 0 ⑵ 1 ⑶ -1 ⑷ 1/20374
⑴ 0 ⑵ 1 ⑶ -1 ⑷ -1/20375
ㄴ, ㄹ, ㅁ0376
log 1/2`1/3<log 1/2`1/40377
log _4 `25<log _2 `120378~0385
풀이 42쪽0386
최댓값: 7, 최솟값: 10387
최댓값: 3, 최솟값: -10388
최댓값: -1, 최솟값: -30389
최댓값: 1, 최솟값: -20390
x=9/20391
x=20392
x=4/30393
x=-1/2 또는 x=00394
x=30395
x=4/90396
x=1 또는 x=100000397
x=1/9 또는 x=810398
x>10399
0<x_< 10400
x_> 20401
3<x_< 50402
-1/3<x<1/30403
-15~<x<0 또는 0<x<15~0404
-3<x<20405
1/1000 _< x_< 100000406
0<x<1 또는 x>80407
④0408
③0409
②0410
90411
310412
40413
⑤0414
ㄱ, ㄴ, ㄷ0415
90416
②0417
④0418
⑤0419
④0420
100421
10422
x=-5/30423
100424
②0425
②0426
60427
(11, 3)0428
⑤0429
49/80430
③0431
-20432
①0433
20434
70435
⑤0436
20437
②0438
ㄷ0439
②0440
①0441
③0442
-40443
1/20444
80445
④0446
④0447
-120448
①0449
1/160450
200451
③0452
7/20453
x=20454
④0455
x=-10456
④0457
250458
④0459
-29/100460
⑤0461
x=6, y=20462
③0463
120464
9 /70465
-10466
1/100467
①0468
④0469
x=1/120470
②0471
③0472
-1<x_< 10473
40474
-60475
④0476
770477
1/250478
④0479
①0480
1/3_< x<270481
3/40482
①0483
20484
③0485
1/100486
99890487
10488
k>1/40489
⑤0490
②0491
100492
150493
2200494
ㄱ, ㄴ0495
③0496
③0497
③0498
②0499
50500
17/80241
3.420242
320243
1510244
ㄴ, ㄷ0245
⑴ 1 ⑵ 4 ⑶ 212~ ⑷ 1/20246
⑴ 1 ⑵ ⑶ 625 ⑷ 1/50247
ㄱ, ㄷ, ㅁ0248
^4 23^3 w~<^3 23^4 w0249
Ñ1/3Ò^^- ^^1 >Ñ13Ò^^2 /0250
^3 12~<12~<180251
(41/5 ~~)^^3 <1/5<Ñ1/5Ò^^- ^^0 .^^20252~0257
풀이 26쪽0258
풀이 27쪽0259
최댓값: 25, 최솟값: 1/50260
최댓값: 1000, 최솟값: 0261
최댓값: 10, 최솟값: 10/90262
최댓값: 29, 최솟값: 50263
x=73 /0264
x=5/20265
x=-4/30266
㈎ t^2 -t-12 ㈏ 4 ㈐ 10267
x=1 또는 x=20268
x=-20269
x>7/40270
x_> -1/40271
x_< 6/50272
x<-3 또는 x>10273
㈎ t^2 -4t+3 ㈏ 1 ㈐ 3 ㈑ -1 ㈒ 00274
1<x<20275
x_> -10276
②0277
④0278
8130279
100280
qp
0281
④0282
③0283
-1<a<00284
150285
④0286
-20287
①0288
③0289
560290
k_< -5 또는 k>-40291
②0292
④0293
3120294
④0295
20296
^3 140297
③0298
40299
C<B<A0300
②219쎈 수학1_빠른정답.indd 1 18. 1. 26. 오후 3:28
0601
-1-13~2
0602
640603
10604
10605
㈎ 실수 전체의 집합 ㈏ {y|-1_< y_< 1} ㈐ {y|-1_< y_< 1} ㈑ y축에 대하여 대칭 ㈒ 2pai ㈓ 2pai0606
⑴ {y|-2_< y_< 2} ⑵ 2pai ⑶ 원점0607
⑴ {y|-1_< y_< 1} ⑵ pai ⑶ y축0608~0611
풀이 73쪽0612
⑴ 실수 ⑵ 2pai ⑶ (2n+1)pai ⑷ 원점0613~0614
풀이 73쪽0615
최댓값: 2, 최솟값: -2, 주기: pai0616
최댓값: 1/2, 최솟값: -1/2, 주기: 2/3pai0617
최댓값: 1, 최솟값: -1, 주기: π /30618
최댓값: 1, 최솟값: -3, 주기: 4pai0619
최댓값, 최솟값은 없다., 주기: 1/4620
최댓값, 최솟값은 없다., 주기: π /30621
pai0622
2pai0623
pai0624
ㄱ, ㄷ0625
⑴ 13~2 ⑵ 12~
2 ⑶ 1 ⑷ -1/2 ⑸ 1/2 ⑹ - 13~3 ⑺ - 12~2 ⑻ - 13~2 ~ ⑼ 1
0626
x=5/4pai 또는 x=7/4pai0627
x=π /4 또는 x=7/4pai0628
x=2/3pai 또는 x=5/3pai0629
x=π /6 또는 x=π /3 또는 x=7/6pai 또는 x=4/3pai0630
x=5/12pai 또는 x=13/12pai0631
x=π /12 또는 x=13/12pai0632
0_< x_< π /6 또는 5/6pai _< x<2pai0633
0_< x<5/6pai 또는 7/6pai <x<2pai0634
π /6_< x<π /2 또는 7/6pai _< x<3/2pai0635
④0636
①0637
00638
③0639
⑤0640
A<B0641
-1/20642
③0643
00644
20645
12pai0646
–10647
-30648
⑤0649
④0650
③0651
-120652
⑤0653
③0654
④0655
11/20656
③0657
①0658
4/3pai0659
8/3pai0660
②0661
④0662
⑤0663
6pai0664
②0665
③0666
④0667
①0668
180669
②0670
④0671
-1/20672
④0673
00674
⑤0675
10676
③0677
-3/40678
③0679
1/20680
1010501
30502
30503
50504
⑤0505
2160506
260507
-10508
40509
310510
3<k_< 50511
풀이 60쪽0512
⑴ 360m\n+135m ⑵ 360m\n+315m0513
⑴ 360m\n+270m ⑵ 360m\n+60m ⑶ 360m\n+225m ⑷ 360m\n+240m0514
⑴ 제~4~사분면 ⑵ 제~3~사분면 ⑶ 제~1~사분면 ⑷ 제~2~사분면0515
⑴ 3/4pai ⑵ -7/6pai ⑶ 108m ⑷ -225m0516
⑴ 2npai +1/3 ⑵ 2npai +π /3 ⑶ 2npai +3/2pai ⑷ 2npai +3/4pai0517
l=2/3pai , S=4/3pai0518
r=3, S=9/8pai0519
r=3, theta =8/30520
⑴ 12/13 ⑵ -5/13 ⑶ -12/50521
⑴ sin ~theta =- 13~2 ,cos ~theta =-1/2, tan ~theta =13~ ⑵ sin ~theta =- 12~2 ,cos ~theta = 12~2 ,tan ~theta =-10522
sin ~theta >0, cos ~theta >0, tan ~theta >00523
sin ~theta <0, cos ~theta <0, tan ~theta >00524
sin ~theta >0, cos ~theta <0, tan ~theta <00525
sin ~theta <0, cos ~theta >0, tan ~theta <00526
제~3~사분면0527
제~2~사분면 또는 제~4~사분면0528
sin ~theta =-3/5, tan ~theta =-3/40529
cos ~theta =- 15~3 , tan ~theta = 215~50530
⑴ -4/9 ⑵ -9/40531
⑴ 1/4 ⑵ 32 /0532
10533
-2~tan ~theta0534
⑤0535
ㄴ, ㄹ, ㅁ0536
제~1~사분면0537
제~3~사분면0538
제~2~사분면 또는 제~4~사분면0539
③0540
ㄴ, ㄷ, ㅁ0541
④0542
⑤0543
2/5pai , 4/5pai0544
3/4pai0545
13~2
0546
6pai0547
②0548
3/2pai0549
50550
180551
240552
225pai `cm^20553
②0554
⑴ 25/4pai ⑵ 25/4pai +21/20555
④0556
36pai0557
2/5pai0558
120559
⑤0560
2500`m^20561
120562
①0563
②0564
2110~q~5
0565
4/50566
-1/100567
제~4~사분면0568
2~tan ~theta0569
ㄱ0570
10571
③0572
20573
ㄱ, ㄷ0574
③0575
②0576
②0577
10578
13~2
0579
20580
-3/20581
③0582
33/160583
17~2
0584
④0585
117q~9
0586
-7/40587
③0588
16~2
0589
3x^2 +8x+3=00590
160591
①0592
160593
③0594
212q~3
0595
제~3~사분면0596
⑤0597
⑤0598
715~-160599
2/3pai0600
01001
3391002
4161003
Ñ35Ò^^9 /1004
4801005
3+6+9+12+151006
2+4+8+c+1281007
7+11+15+… +(4n+3)1008
3+8+15+c+n(n+2)1009
sigk=1 ^n (2k+1)1010
sigk=1 ^n 3^k1011
sigk=1 ^6 (-1/3Ò^^k1012
171013
-1081014
501015
321016
3401017
56101018
28561019
35401020
nn+11021
n2n+1~
1022
2(1n+1z-1)1023
29/451024
-12~+13~+113q~21025
③1026
261027
⑤1028
201029
②1030
1361031
2001032
②1033
②1034
61035
③1036
1631037
1451038
②1039
401040
5001041
601042
-n^21043
③1044
51045
②1046
-58301047
④1048
7841049
①1050
⑤1051
1401052
①1053
②1054
④1055
1401056
-25101057
17051058
③1059
2001060
③1061
③1062
3411063
n(n+1)(n+2)61064
(2n+1)(7n+1)6n1065
②1066
③1067
②1068
501069
②1070
161071
401072
③1073
20/111074
⑤1075
29/451076
②1077
②1078
71079
61080
②1081
제`26`항1082
9/121083
③1084
17051085
⑤1086
1781087
691088
521089
411090
821091
251092
①1093
91094
1001095
③1096
⑤1097
175/1321098
631099
11031100
941101
191102
4001103
421104
251105
101106
81107
271108
a_n =-n+31109
a_n =2n-11110
a_n =2· (-5)^n ^- ^11111
a_n =4^n ^- ^11112
461113
3^1 ^0 +321114
2/51115
2^4 ^51116
㈎ 2 ㈏ 2k1117
㈎ 2k^2 +7k+6 ㈏ (k+1)(k+2)(2k+3)1118
풀이 141쪽1119
③1120
⑤1121
1051122
②1123
981124
25001125
①1126
251127
1661128
101129
①1130
1/61131
④1132
1/71133
201134
331135
④1136
②1137
⑤1138
54/551139
41140
2461141
②1142
61143
④1144
641145
③1146
④1147
③1148
256~81
1149
a_n _+ _1 =a_n +2n+4(n=1, 2, 3, … )1150
101151
⑤1152
a_2 =132, a_n _+ _1 =3a_n -12(n=1, 2, 3, … )1153
15/81154
⑤1155
6701156
④1157
②1158
ㄱ, ㄷ1159
391160
풀이 147쪽1161
2/51162
⑤1163
③1164
③1165
④1166
11167
⑤1168
63751169
②1170
③1171
1921172
⑤1173
④1174
④1175
391176
1~5050
1177
④1178
2781179
961180
891181
351182
10/70901
2800902
③0903
150904
1680905
44냥0906
④0907
810908
99/4시간0909
④0910
⑤0911
-60912
150913
①0914
③0915
420~0916
130917
④0918
③0919
②0920
770921
420922
300923
④0924
-150925
④0926
②0927
17250928
①0929
④0930
2880931
30932
⑤0933
50500934
③0935
①0936
160937
③0938
④0939
첫째항: 3/4, 공비: 1/160940
3130941
360942
①0943
90944
③0945
제`11`항0946
30947
780948
④0949
63/20950
60951
③0952
120953
170954
③0955
40956
40957
②0958
160959
③0960
-480961
④0962
400`MB0963
2`:`10964
⑤0965
60966
10230967
④0968
120969
④0970
190/0971
⑤0972
1/20973
40974
192030975
⑤0976
102300977
④0978
-10979
③0980
①0981
6820982
170983
520만 원0984
④0985
①0986
1억 3천만 원0987
10988
②0989
①0990
②0991
370992
200993
260994
100995 ③ 0996
①0997
1280998
3700만 원0999
-51000
297/0701
③0702
130703
①0704
①0705
①0706
⑤0707
2pai0708
②0709
20710
-40711
①0712
3/2pai0713
0<theta _2 _< π /40714
16~4
0715
③0716
π /90717
④0718
⑤0719
π /6_< x_< 5/6pai0720
0_< theta <π /6 또는 5/6pai <theta <2pai0721
④0722
4/3pai0723
π /6, 5/6pai0724
③0725
②0726
②0727
⑤0728
240729
8/π0730
64/π0731
-2/π <a<- 23pai0732
③0733
①0734
2560735
1/20736
⑤0737
300738
④0739
π /4<theta <3/4pai0740
120741
70742
2120743
-1, 10744
pai0745
1/70746
516~3
0747
4130748
30m0749
15m 또는 105m0750
200751
312~2
0752
150753
121q0754
1/40755
120m0756
15120757
5/20758
⑴ 217~7 ⑵ 121q~~
7 ⑶ 313~~
2
0759
27130760
6120761
240762
110763
⑤0764
③0765
9120766
⑤0767
130768
7/250769
③0770
10130771
30772
⑤0773
12120774
3`:`2`:`40775
④0776
①0777
C=90m인 직각삼각형0778
③0779
③0780
96pai `cm^30781
2119q0782
②0783
120784
123q0785
45m0786
①0787
3110q~10
0788
217~7
0789
①0790
7-412~3
0791
139q~3
0792
13~3
0793
105m0794
③0795
②0796
a=b인 이등변삼각형0797
④0798
70`m0799
⑤0800
π /30801
④0802
⑤0803
130804
③0805
313~4
0806
3130807
7/250808
2513~4
0809
100(3+13~)0810
10130811
30120812
180813
③0814
③0815
16120816
24130817
1913~2
0818
④0819
③0820
1513~2
0821
120m0822
12130823
①0824
12120825
⑤0826
913~2
0827
②0828
13~3
0829
60830
-1/30831
④0832
⑤0833
③0834
90835
④0836
12~+16~0837
16/50838
4170839
50840
16~6
0841
4(12~+1)0842
330843
1, 9, 17, 25, 330844
3, 7/4, 4/3, 9/8, 10845
a_n =(-1)^n a`n0846
a_n = nn+20847
a_n =n(n+1)0848
7, 100849
18, 120850
a_n =-3n+180851
a_n =-4n+60852
⑴ 36 ⑵ 제`16`항0853
40854
-20855
-10856
2280857
-1600858
5280859
4080860
580861
a_n =4n+10862
a_1 =-1, a_n =2n-4`(n-> 2)0863
8, 160864
-1/3, 1/810865
a_n =5^n ^- ^10866
a_n =4aÑ1/2Ò^^n ^^- ^^10867
a_n =3a(-1)^n ^- ^10868
⑴ 3 ⑵ 제`11`항0869
1/20870
-2 또는 20871
-6 또는 60872
255/1280873
1/3{1-(-2)^n }0874
1/9(1-0.1^8 )0875
a_n =2a3^n ^- ^10876
a_1 =-1, a_n =2^n (n-> 2)0877
④0878
-50879
120880
④0881
⑤0882
a_n =n`log _2 30883
650884
a_n =4n-180885
③0886
2570887
③0888
제 250 항0889
②0890
⑤0891
170892
170893
410894
110895
②0896
②0897
-10898
-100899
-1/20900
④0681
20682
20683
④0684
③0685
15/4pai0686
④0687
4/30688
①0689
-1/20690
-10691
④0692
alpha =3/2pai , k=-3/20693
5/3pai0694
x=π /60695
④0696
x=2/3pai0697
③0698
2/3pai0699
7/2pai0700
- 13~2219쎈 수학1_빠른정답.indd 2 18. 1. 26. 오후 3:28