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visits member for 2 years, 10 months
seen Jan 22 '13 at 23:32

Feb
27
comment Surface area formula
The last one made me confuse a lot actually. so Now I found a typo of text book then hehe your formula makes more sense for me !! thanks a lot !
Feb
27
accepted Surface area formula
Feb
27
comment Surface area formula
Hi!! anon I think I can take a scan of textbook and share to this page. but i'm out now so as soon as i got home i will add the link of the text book copy
Feb
27
revised Surface area formula
i changed the formula parts
Feb
27
asked Surface area formula
Feb
23
comment How can I determine convergence or divergence?
I got it !! Thank you !!
Feb
23
accepted How can I determine convergence or divergence?
Feb
23
asked How can I determine convergence or divergence?
Feb
12
comment How to find $\int_{\frac{\pi}{2}}^{\frac{\pi}{4}}\cot^5x\,\csc^3xdx$
Thank you for sharing idea !! so I can convert $cot^2x = csc^2x-1$ that seems more easier to find the answer :9
Feb
12
accepted How to find $\int_{\frac{\pi}{2}}^{\frac{\pi}{4}}\cot^5x\,\csc^3xdx$
Feb
12
revised How to find $\int_{\frac{\pi}{2}}^{\frac{\pi}{4}}\cot^5x\,\csc^3xdx$
edited body
Feb
12
asked How to find $\int_{\frac{\pi}{2}}^{\frac{\pi}{4}}\cot^5x\,\csc^3xdx$
Feb
12
accepted How to evaluate $\int \frac {xe^2}{(1+2x)^2}dx$
Feb
12
asked How to evaluate $\int \frac {xe^2}{(1+2x)^2}dx$
Feb
12
awarded  Supporter
Feb
12
accepted How can I find the volume of a solid of revolution
Feb
12
asked How can I find the volume of a solid of revolution
Feb
8
awarded  Editor
Feb
8
revised How to find$\int x^2 \arctan(x) \;dx $
edited title
Feb
8
comment How to find$\int x^2 \arctan(x) \;dx $
Im sorry about confusion. I just begin to use this site so I thought I could vote up for every one because everyone's answer was super good! Forgive me