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4h
comment Prove integration formula for integral $\frac{1}{\sqrt {a^2-x^2}}$?
$\frac{1}{a^2-x^2}=\frac{A}{a-x}+\frac{B}{a+x}$ for certain values for $A$ and $B$.
5h
revised Basic Group Theory question
edited tags
5h
comment Basic Group Theory question
Love divisible ones so love this post. +1
6h
comment How to construct a circle in a the Poincare Disk model
@Willemien: Sorry for not to get your aim of the question. I deleted it and a "+1" for this nice answer. :)
1d
comment Computing values of centralizers in a non-solvable group with a given property
@ZeinabForuzanfar: I see there why $|...|\le 2$. Try to do it by yourself.
1d
comment How to construct a circle in a the Poincare Disk model
Where are the points located? Are u going just to make sketch of it or you want the equation of that circle?
Jul
9
comment Find the range of (x+1)/(2x+1)
Why do you think it doesn't help?
Jul
9
revised Definition of the normalizer of a subgroup
edited tags
Jul
9
answered Question on Subgroups and Left Cosets
Jul
9
comment Order of the elements of a right coset
@zeinab: Salam. dar morede masale chikar kardid? Aya nazari darid ke inja bekhan tu takmile uun komaketun konan?
Jul
9
comment Combinations with replacement
@amWhy: I hope you have a nice time my missed friend. I am back just to have a short visit of my poor profile. I am very glad you have been in top users as you were already. I am doing research and don't have enough time to help others as it should be. Thanks for being my close friend here. Miss you so much Amy. :-)
Jul
2
awarded  Socratic
Jul
2
awarded  Curious
Jul
2
awarded  Inquisitive
May
11
awarded  graphing-functions
Apr
14
awarded  Popular Question
Mar
29
comment describe triple integral algebraically and drawing
@amWhy: Thanks for your kind message. I am OKAY but don't have much time for being here at least for some days ahead. I am doing my third article so sorry if I'm not here much.
Mar
12
awarded  Yearling
Mar
5
comment The number of submodules of $M\oplus M$
Aliye +1 Ali jan
Mar
5
answered describe triple integral algebraically and drawing