Asked by Jose
Why do we end up with f(x) instead of f(t) on the second fundamental theorem of calculus?
Answers
Answered by
Steve
You are integrating f(t) between the limits a and x
f(a) is just a constant, and goes away when taking F'
but F(x) is a function and its derivative F'(x) is f(x).
t is just a dummy variable used to define the integrand.
f(a) is just a constant, and goes away when taking F'
but F(x) is a function and its derivative F'(x) is f(x).
t is just a dummy variable used to define the integrand.
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