What is the second derivative of f(x)=4x^3-3x^2+9x-1 ?
1 Answer
Mar 7, 2016
24x - 6
Explanation:
differentiate using the
color(blue)" power rule "
d/dx(ax^n) = nax^(n-1) Apply this rule 'term by term "
hence f'(x)
=12x^2 - 6x + 9 and
f''(x) = 24x - 6
