Improper Integral – A multiplication of polynomial and exponential functions on an infinite interval – Exercise 1587

Exercise

Evaluate the integral

0(1+2x)exdx\int_{-\infty}^0 (1+2x)\cdot e^{-x} dx

Final Answer


0(1+2x)exdx=\int_{-\infty}^0 (1+2x)\cdot e^{-x} dx=-\infty

Solution

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