Calculate

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- Dec 13th 2009, 08:11 PMDeMathIntegral with parameters
Calculate

- Dec 13th 2009, 10:37 PMNonCommAlg
starting from and letting where is considered to be the variable, we'll get

next let let to get let then:

where and

both are easy to find. we'll eventually get:

now let put to get by (1).

changing the order of integration will give us and therefore by (2):

the final answer makes sense to me. so i can claim that i have survived from all the annoying algebra involved in there. (Nod) - Dec 14th 2009, 01:39 AMsimplependulum
NonCommAlg :

Do you have any integrals which involve just a little algebra but our deep thinking ,

In fact , I cannot survive from the annoying annoying algebra !! - Dec 14th 2009, 09:00 PMNonCommAlg