Hey there.. i try to solve the question below..
but.. i still didn't get the answer given by my lecturer..
the answer should be.. pi/4(e - 1)
where did i do wrong?
Attachment 21779Attachment 21780http://www.mathhelpforum.com/math-he...isc/pencil.png
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Hey there.. i try to solve the question below..
but.. i still didn't get the answer given by my lecturer..
the answer should be.. pi/4(e - 1)
where did i do wrong?
Attachment 21779Attachment 21780http://www.mathhelpforum.com/math-he...isc/pencil.png
changing into polar coordinates we get
(integral 0 to pi/2) (integral 0 to 1) re^(r^2) dr d(theta)
solving it you get required
