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96/100 score
 Apr22 reviewed Close $A$ is a normal matrix and $AB=BA$ then matrix $B$ is singular. Apr22 reviewed Close Prove $2015$ divides $1^{2015}+2^{2015}+3^{2015}+\cdots+2015^{2015}$. Apr22 reviewed Close $A$ is normal matrix and has distinct eigenvalue, and $AB=BA$. why $B$ is normal matrix? Apr22 reviewed Close How to solve $\int_0^{\frac{\pi}{2}}\frac{x^2\cdot\log\sin x}{\sin^2 x}dx$ using a very cute way? Apr22 reviewed Close Heuristics for streaming data matching Apr22 reviewed Close Uniform Polyhedron with 500 congruent right kite faces! Apr22 reviewed Close Drawing Bijections for one set Apr22 reviewed Close Product of connected spaces - Proof Apr22 reviewed Close Sequence in product metric space Apr22 reviewed Close Calculate distance between known intersecting points Apr22 reviewed Close What will be the matrix representation of R^2 where relation A = {a, b, c, d} and R = {(a,a), (a,b), (b,a), (c,c), (c,d), (d,c)} Apr22 reviewed Close Coercing elements into a set in MAGMA Apr22 reviewed Close function with isolated singularity on the unit circle and coefficients of its taylor expansion Apr21 reviewed Close How can I prove $\phi(m)*\phi(n) = \phi(lcm(m,n))* \phi(\gcd(m,n))$ where $\phi$ is eulers $\phi$ function? Apr21 reviewed Close Divisors of Fermat numbers Apr21 reviewed Close What is the difference between CW-complex and Cellular complex? Apr21 reviewed Close Orthocenter of triangle given by vectors in $3$-dimensional space Apr14 reviewed Close How to Prove this mathematical expression???? Apr14 reviewed Close How to calculate “general” integral $\int\limits_{a}^{b}f(x)^2dx$? Apr14 reviewed Close How is this logarithmic identical transformation true?