How do you find the derivative of #f(x)=(6x-2)^2#?
1 Answer
Jul 22, 2016
12(6x - 2)
Explanation:
differentiate using the
#color(blue)"chain and power rules"#
#f'(x)=2(6x-2).d/dx(6x-2)=2(6x-2).6#
#rArrf'(x)=12(6x-2)=72x-24# Alternatively, expand f(x) using FOIL.
#rArrf(x)=36x^2-24x+4# and differentiate using the#color(blue)"power rule"#
#rArrf'(x)=72x-24#