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 Sep 9 asked A Proof relating to the Disjunctive normal form Dec 11 answered How to figure out the Argument of complex number? Aug 23 answered Prove that if $n$ is a positive integer then $2^{3n}-1$ is divisible by $7$. Aug 15 answered A question on iterated sums Aug 14 answered Proving that $\mu$ is $\sup S$ Aug 14 answered Proving that $2^{2^n} + 5$ is always composite by working modulo $3$ Aug 8 asked Trouble relating the two definitions of $(\mathbb Z/n\mathbb Z)^\times$ Aug 6 asked Proof of a Proposition on Partitions and Equivalence Classes May 17 asked Difference between Dimension of a Linear transformation (space) and the Dimension of its Column Space? May 17 asked Show that the dimension of a particular linear space is $2$ Apr 27 answered Best self study math books? Apr 26 answered Find coordinate of a point Apr 25 answered Which of the following expressions completes the identity 1 + sec^2 x? Apr 23 answered Circle question involving area? Apr 23 answered Describing about the probability distribution of a scenario Apr 21 asked Proving that these two fields $\mathbb Z_{11}[x]/〈 x^2+1〉$ and $\mathbb Z_{11}[x]/〈 x^2+x+4〉$ are isomorphic with $121$ elements each. Apr 10 answered Directional cosines of a line. Apr 10 answered Basketball Team Combinatorial Apr 4 answered Buffon needle experiment for $\pi$ approximation Apr 1 answered For complex $z$, find all solutions to: $(z - 6 + i)^3 = -27$