El profesor se sorprenderá mucho al ver tu solución correcta😉
Transportemos -sqrt(2) al miembro derecho de la ecuación
cambiando el signo de -sqrt(2)
Dividamos ambos miembros de la ecuación en 2
pi x1 = -- 4
7*pi x2 = ---- 4
x2 = 7*pi/4
suma
pi 7*pi -- + ---- 4 4
=
2*pi
producto
pi 7*pi --*---- 4 4
=
2 7*pi ----- 16
7*pi^2/16
x1 = -99.7455667514759
x2 = -0.785398163397448
x3 = -24.3473430653209
x4 = -30.6305283725005
x5 = 76.1836218495525
x6 = -38.484510006475
x7 = -5.49778714378214
x8 = -62.0464549083984
x9 = 18.0641577581413
x10 = -36.9137136796801
x11 = -87.1791961371168
x12 = 24.3473430653209
x13 = 95.0331777710912
x14 = 38.484510006475
x15 = 80.8960108299372
x16 = -101.316363078271
x17 = 99.7455667514759
x18 = -69.9004365423729
x19 = 51.0508806208341
x20 = -43.1968989868597
x21 = 87.1791961371168
x22 = 0.785398163397448
x23 = -19.6349540849362
x24 = 49.4800842940392
x25 = 69.9004365423729
x26 = 30.6305283725005
x27 = -13.3517687777566
x28 = 13.3517687777566
x29 = 88.7499924639117
x30 = -68.329640215578
x31 = -82.4668071567321
x32 = -63.6172512351933
x33 = -11.7809724509617
x34 = 36.9137136796801
x35 = -351.072979038659
x36 = 11.7809724509617
x37 = -162.577419823272
x38 = -55.7632696012188
x39 = 19.6349540849362
x40 = -88.7499924639117
x41 = -76.1836218495525
x42 = 82.4668071567321
x43 = 62.0464549083984
x44 = -93.4623814442964
x45 = 68.329640215578
x46 = -32.2013246992954
x47 = 44.7676953136546
x48 = -7.06858347057703
x49 = 55.7632696012188
x50 = -49.4800842940392
x51 = -74.6128255227576
x52 = 32.2013246992954
x53 = 57.3340659280137
x54 = 63.6172512351933
x55 = -95.0331777710912
x56 = 43.1968989868597
x57 = 5.49778714378214
x58 = 25.9181393921158
x59 = -57.3340659280137
x60 = -51.0508806208341
x61 = 93.4623814442964
x62 = -25.9181393921158
x63 = -182.997772071605
x64 = 74.6128255227576
x65 = -80.8960108299372
x66 = 7.06858347057703
x67 = -18.0641577581413
x68 = -44.7676953136546
x68 = -44.7676953136546