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Babak S.
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 Mar20 comment How does one establish that the set of even and odd numbers partition the set of integers? You mean that $\pi$ is even!! or odd!! Mar20 comment If G is a finite group of anyone of the multiplicative non-zero elements of Q,R,C,or $Z_p$ then G is cyclic You mean finite subgroup of anyone....? Mar19 answered Intersection between a line and a plane. Mar12 awarded Yearling Mar6 comment Indefinite Integral It seems that the OP is interested in Optic, since he wrote $dt$ before the integrand. +1 Mar6 comment The value of the logarithmic expression can never be $\ldots$ @JohnBrevik: Indeed, your comment solved the problem and gave the OP what he wanted to know. It seems that it shoudn't be 0.5. Mar6 awarded Nice Answer Mar6 comment Partial Fraction Decomposition for Laplace Transform @ChrisCrutchfield: Thanks! I am I could help you. :-) Mar6 accepted Examples for infinite Hamiltonian group Mar6 comment Finding the left and right cosets of H = {(1), (12), (34), (12) ○ (34)} in S4 @grayQuant: Yes that's right! :-) Mar6 answered Partial Fraction Decomposition for Laplace Transform Mar6 comment How to solve the integral of $\frac 1{(x^2+1)^2}$ (-: :-) $~~~~~~~~~~$ Mar6 answered How to solve the integral of $\frac 1{(x^2+1)^2}$ Mar6 answered The value of the logarithmic expression can never be $\ldots$ Mar5 answered Point lies inside of the sphere Mar5 answered Prove or disprove: If $f$ is continuous and differentiable in $[a,b]$ then $a$ is a local minimum or a maximum point in $[a,b]$. Mar5 comment Prove or disprove: If $f$ is continuous and differentiable in $[a,b]$ then $a$ is a local minimum or a maximum point in $[a,b]$. How coud it be diff in $[a,b]$ when the function was not defined else where? I mean $(a,b)$?? Mar5 comment Prove or disprove: If $f$ is continuous and differentiable in $[a,b]$ then $a$ is a local minimum or a maximum point in $[a,b]$. Did u mean you defined $f=0$ at $0$? Mar5 answered Determining whether a function is irreducible or not Mar3 revised Convergence of $\sum^\infty_{n=1} \frac 1 {\sqrt n}\sin(\frac 1 n)$ deleted 2 characters in body