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Aug
16
answered Find the equation $ax + by + cz = d$ of the plane which has equal distance to the points $A(1, 2, 3)$ and $B(4, 5, 6)$
Aug
12
revised To find the best success list among players?
added 8 characters in body
Aug
12
asked To find the best success list among players?
Aug
7
accepted Tangent points on circle that placed on Earth surface
Aug
7
accepted To find the general formula of $\overbrace{g(g(g(…g(x))}^\text{n}=g_n(x)=\frac{A_{n}.x+B_{n}}{C_{n}.x+D_{n}}$
Aug
7
comment How did Euler give a sum to the divergent series $…x^{-3}+x^{-2}+x^{-1}+1+x^1+x^2+x^3.. = 0$?
I asked a question about that subject..: . I got also the same result as euler gotvia using series solution in first method. Please see my question . math.stackexchange.com/questions/1359401/…
Jul
25
awarded  Enlightened
Jul
25
awarded  Nice Answer
Jul
14
revised Is $ \sum_{n=-\infty}^\infty x^n=0 $?
added 161 characters in body
Jul
14
comment Fourier transforms of $f(t)=\frac{\sin{at}}{t}$
+1 very nice answer. You wrote all steps in clear way.
Jul
14
revised Is $ \sum_{n=-\infty}^\infty x^n=0 $?
added 161 characters in body
Jul
13
comment Is $ \sum_{n=-\infty}^\infty x^n=0 $?
I updated my question . Can there be any connection with Ramanujan’s mysterious expression about infinity sum of numbers with my infinity sum result? . It was strange in the begining before checking the result for extention zeta function
Jul
13
revised Is $ \sum_{n=-\infty}^\infty x^n=0 $?
added 570 characters in body
Jul
13
revised Is $ \sum_{n=-\infty}^\infty x^n=0 $?
added 4 characters in body
Jul
13
revised Is $ \sum_{n=-\infty}^\infty x^n=0 $?
added 4 characters in body
Jul
13
asked Is $ \sum_{n=-\infty}^\infty x^n=0 $?
Jul
1
awarded  Popular Question
Jun
17
answered Given $x^2 + 4x + 6$ as factor of $x^4 + ax^2 + b$, then $a + b$ is
Jun
16
answered High School Trigonometry ( Law of cosine and sine)
Jun
16
revised Going from $f = u(x,y) +iv(x,y)$ to $f(z) = f(x+iy)$
added 2 characters in body