Question

Помогите найти производную

Answer 1

f(x) = (3-x²)(4+x²) = 12+3x²-4x²-x⁴ = -x⁴-x²+12

f'(x) = -(x⁴)'-(x²)+12' = -4x³-2x

f'(-2) = -4·(-2)³-2·(-2) = 4·8+4 = 36

Ответ: 36.