What is the second derivative of #f(x)= 8/x-2x^3#?
1 Answer
May 26, 2018
Explanation:
#"differentiate using the "color(blue)"power rule"#
#•color(white)(x)d/dx(ax^n)=nax^(n-1)#
#f(x)=8/x-2x^3=8x^-1-2x^3#
#f'(x)=-8x^-2-6x^2#
#f''(x)=16x^-3-12x=16/x^3-12x#
