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प्रश्न
Evaluate the following:
`int_0^oo "e"^(- x/2) x^5 "d"x`
योग
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उत्तर
`int_0^oo "e"^(- x/2) x^5 "d"x = (5!)/(1/2)^(5+ 1)`
= `(5!)/(1/2)^6`
= (26)5!
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