Find the derivative of in two ways: first by applying the product rule and second by expanding the product into a polynomial and then taking its derivative. Show that both methods yield the same answer f(x)= (x^2-9)(x^2+9)
Find the derivative of in two ways: first by applying the product rule and second by expanding the product into a polynomial and then taking its derivative. Show that both methods yield the same answer
f(x)= (x^2-9)(x^2+9)
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