Asked by wendy

does anyone know the shortcut to finding the derivative of a function
for example: x^3-3x^2

Answers

Answered by bobpursley
short cut to what? By inspection, the derivative is 3x^2-6x using the power rule.

Now if you are finding derivatives by the limit (lim (f(x+h)-f(x))/h, you need to work it out.
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