- #1
Saitama
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- 93
Homework Statement
[tex]\int_{0}^{∞} x^{2n+1}.e^{-x^2}dx[/tex]
is equal to (n ε N)
a)n!
b)2(n!)
c)n!/2
d)(n+1)!/2
Homework Equations
The Attempt at a Solution
I can go on solving this by using n=1 or n=2. But i want to do it by a correct method. Is there a proper way to do it? I am having no idea, how should i begin?