No33.1 1)(2 + x)3 = 23 + 3 * 22 + x + 3 * 2 * x2 + x3 = 8 + 12x + 6x2 + x3
3)(5 – b)3 = 125 -3 * 25+ b + 3 + 5b2 – b3 = 125 - 75b + 1562 – 63
5)(a - c)3 = a3 – 3a²c + 3ac2 - 03
7)(2 – t)3 = 23 – 3z2t + 3zt2 - 43
9)(x + 3)3 = x3 + 3x2 * 3 + 3x + 32 +33 = x3 + 9x2 + 27x + 27​

zcwe16    3   20.01.2021 13:28    0