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Apr
16
reviewed Close Find the values of p for the following, check if they are converges
Apr
16
reviewed Leave Open Product of two infinite sequences
Apr
16
reviewed Close Why is the joint density function of X and Y 1/L^2?
Apr
16
reviewed Close equation of tangent to an ellipse at the given points
Apr
16
reviewed Reopen Existence of integer.
Apr
16
reviewed Close A problem from eruler.net concering Factorials.
Apr
16
reviewed Close How many questions can I get wrong?
Apr
16
reviewed Leave Open Prove $(n,m)R(r,s) \equiv (n>r) \text{ or } (n=r \text{ and } m\geq s)$ is an order relation.
Apr
16
reviewed Close using two way simplex method
Apr
16
reviewed Close How to write the “otherwise” condition
Apr
16
reviewed Close Possible Permutations of Words
Apr
16
comment Possible Permutations of Words
possible duplicate of How many different permutations are there of the sequence of letters in "MISSISSIPPI"?
Apr
16
reviewed Close Cryptography Combinatorics question
Apr
16
reviewed Close Solution of the Wave Equation by Separation of Variables
Apr
16
reviewed Leave Open Abelian groups axioms with minus in place of plus
Apr
16
reviewed Close If $x$ is an element of $D$ is not an isolated point, then $x$ must be a cluster point.
Apr
15
reviewed Looks OK Representing every positive rational number in the form of $(a^n+b^n)/(c^n+d^n)$
Apr
15
comment Representing every positive rational number in the form of $(a^n+b^n)/(c^n+d^n)$
Could you explain where the 5 and 30 come from?
Apr
15
reviewed Looks OK Simply connected domains $D=\{\operatorname{Re}z>0\}\setminus\{1\}$
Apr
15
reviewed Leave Closed Convergence of a monotone sequence of real numbers