El profesor se sorprenderá mucho al ver tu solución correcta😉
/ pi\ cos|3*x - --| = -1/2 \ 3 /
-pi x1 = ---- 9
pi x2 = -- 3
x2 = pi/3
suma
pi pi - -- + -- 9 3
=
2*pi ---- 9
producto
-pi pi ----*-- 9 3
=
2 -pi ----- 27
-pi^2/27
x1 = -97.3893722612836
x2 = 16.4060949687467
x3 = 70.162235930172
x4 = -55.5014702134197
x5 = 28.2743338823081
x6 = 32.4631240870945
x7 = -15.707963267949
x8 = 72.2566310325652
x9 = 76.4454212373516
x10 = -90.4080552533063
x11 = 80.634211442138
x12 = 98.0875039620813
x13 = 49.9164166070378
x14 = 24.0855436775217
x15 = 87.6155284501153
x16 = -53.4070751110265
x17 = 26.1799387799149
x18 = -9.42477796076938
x19 = -11.5191730631626
x20 = 63.8790506229925
x21 = -21.9911485751286
x22 = -57.5958653158129
x23 = 52.010811709431
x24 = -75.7472895365539
x25 = 89.7099235525085
x26 = 47.8220215046446
x27 = 3.83972435438753
x28 = -88.3136601509131
x29 = -61.7846555205993
x30 = 91.8043186549017
x31 = 15.707963267949
x32 = 36.6519142918809
x33 = 40.8407044966673
x34 = 58.2939970166106
x35 = 8.02851455917392
x36 = -29.6705972839036
x37 = -0.349065850398866
x38 = 100.181899064475
x39 = -99.4837673636768
x40 = -24.0855436775217
x41 = 12.2173047639603
x42 = -50.6145483078356
x43 = -79.9360797413403
x44 = -42.2369678982628
x45 = -26.1799387799149
x46 = 35.2556508902855
x47 = 93.8987137572949
x48 = 19.8967534727354
x49 = -86.2192650485199
x50 = -65.9734457253857
x51 = -31.7649923862968
x52 = -38.0481776934764
x53 = -94.5968454580927
x54 = -47.1238898038469
x55 = 65.9734457253857
x56 = -13.6135681655558
x57 = -12.915436464758
x58 = -19.8967534727354
x59 = 5.93411945678072
x60 = 21.9911485751286
x61 = -77.8416846389471
x62 = -63.8790506229925
x63 = 43.6332312998582
x64 = 78.5398163397448
x65 = 30.3687289847013
x66 = 56.1996019142174
x67 = 74.3510261349584
x68 = 95.9931088596881
x69 = -957.487627644089
x70 = -84.1248699461267
x71 = -3.14159265358979
x72 = -33.85938748869
x73 = 10.1229096615671
x74 = 54.1052068118242
x75 = 45.7276264022514
x76 = -40.1425727958696
x77 = 14.3116998663535
x78 = -44.331363000656
x79 = -68.0678408277789
x80 = 60.3883921190038
x81 = -59.6902604182061
x82 = 1.74532925199433
x83 = 79.2379480405426
x84 = -73.6528944341607
x85 = -35.9537825910832
x86 = -82.0304748437335
x87 = -17.8023583703422
x88 = 68.0678408277789
x89 = 34.5575191894877
x90 = -27.5762021815104
x91 = -70.162235930172
x91 = -70.162235930172