Question

Evaluate the following definite integrals
int_{2}^{4}e ^{-2x}dx

Answer 1

\[\int\limits_{2}^{4}e ^{-2x}dx\]

Answer 2

F'(4)-F'(2)....n the integral of tht is -2e^(-2x)

Answer 3

The integral is actually (-1/2)e^(-2x), evaluated from 2 to 4 gives (-1/2)(e^-8-e^-4)