Evaluate the following integrals: ^x_ 0 e^ -x dx - Vidyadip

Question

Evaluate the following integrals:$\int\limits^\text{x}_{0}\text{e}^{-\text{x}}\text{ dx}$

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Answer

$\int\limits^\text{x}_{0}\text{e}^{-\text{x}}\text{ dx}$$=-\big[\text{e}^{-\text{x}}\big]^{\text{x}}_0$
$=-(0-1)$
$=0+1$
$=1$

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