Question

Найдите производную функций: a) y=(2x^3)-(x^2)+4 b) y=2cosx-3tgx c) y= x-3 дробь x+2 d) y=(x^2)*sinx

Answer 1

a) 6x^2-2x

b)-2sinx-3/cos^2x

c) 5/(x+2)^2

d) 2xsinx+(x^2)cosx

Answer 2

(6x^2)-2x

-2sinx-(3/cos^2x)

(1*(x+2)-1*(x-3) )/(x+2)^2=(x+2-x+3)/(x+2)^2=5/(x+2)^2