Question

найдите производную функции y=2x^7+4x^5+x^2

Answer 1

(x^7'=7x^6,
(x^5)'=5x^4
(x²)'=2x
y'=2*7x^6 + 4*5x^4 + 2x  = 14x^6+20x^4 +2x.