(adsbygoogle = window.adsbygoogle || []).push({}); help i have an examination 4 hours left

i need to solve the question

INT(ê^(- a·x)·SIN(x)/x, x, 0, + inf)

by using INT(SIN(x)/x, x, 0, + inf) = pi/2

ı havent got so much time

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# Help i have an examinatiation after 10 hours

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