# Time for easier problems

Calculus Level 1

$\large \displaystyle\int _{ 0 }^{ 1 }{ { e }^{ -x }\, dx }$

If the integral above is in the form of $A - \dfrac Be,$

where $$A$$ and $$B$$ are positive integers, find $$A+B$$.

Clarification:$$e$$ denotes Euler's constant

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