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Showing that prime factors of a number is congruent to $1 \pmod 5$ math.stackexchange.com/q/463… #elementarynumbertheory
Can you answer this? Can I go from the LU factorization of a symmetric matrix to its Cholesky ... math.stackexchange.com/q/139… #linearalgebra
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How to distinguish between isomorphic and homotopic chain complexes? math.stackexchange.com/q/463… #homologycohomology
Find n given that $\lim\limits_{x\rightarrow0} \frac{1-\sqrt{\cos2x}.\sqrt[3]{\cos3x}.\sqrt[4]{\cos4... math.stackexchange.com/q/463… #limits
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Qualifying exam problem (complex analysis) math.stackexchange.com/q/463… #complexanalysis
number of distinct commutators and the cardinality of the center of a group math.stackexchange.com/q/463… #abstractalgebra
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Solving for x in logarithmic equation $\log_4(2x) = \frac{1}{2}x^2 - 1$ math.stackexchange.com/q/463… #algebraprecalculus
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Proving that ${(1-\frac{2}{x^2})}^x < \frac{x-1}{x+1}$ for any $x > 2$. math.stackexchange.com/q/463… #limits
Can you answer this? Factorize: $a^3(b+c)+b^3(a+c)+c^3(a+b)$. math.stackexchange.com/q/138… #factoring