Question

Найдите производную функции: а) f(х) = 2х8 - 7х4 + 42х2 – 34х

Answer 1

$f(x) = 2 {x}^{8} - 7 {x}^{4} + 42 {x}^{2} - 34x \\ \frac{df}{dx} = 16 {x}^{7} - 28 {x}^{3} + 84x - 34$