Let and , then:
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Since , we have:
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I am having trouble with the following problem.
Let f(x) = cubedroot of x
if a is not equal to 0, use f`(a) = lim as x approaches a {f(x)-f(a)}/(x-a) to find f`(a)
I put it as lim as h approaches 0 (cubed root (a+h)-cubed root (a))/h but am unsure if this is correct and what I should do next.
Thanks