By the fundamental thm of calc, the derivative of a definite integral wrt to the upper limit is the integrand evaluated at the upper limit. What if I integrate wrt to the integrand? Thanks!
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Originally Posted by richardcherron By the fundamental thm of calc, the derivative of a definite integral wrt to the upper limit is the integrand evaluated at the upper limit. What if I integrate wrt to the integrand? Thanks! . But note that is constant which implies that
Oh, wait. I see what you're after. . So, if , and we have
Originally Posted by VonNemo19 . But note that is constant which implies that I guess you misread, since he wants the derivative wrt f. Anyway, maybe you can write :
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