Integral e^x

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Proof: Integral e^x

(Math | Calculus | Integrals | Table Of | e^x)

Discussion of

e^x dx = e^x + C.

1. Proof

Since we know the derivative: e^x = e^x,
we can use the Fundamental Theorem of calculus:
e^x dx = (e^x) dx = e^x + C
Q.E.D.
See also the proof that e^x = e^x. PROOF