El'endia Starman
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 Feb20 revised About unsymmetric and symmetric matrices' eigenvalue problem LaTeXified. Feb20 revised Derive a formula to find the number of trailing zeroes in $n!$ LaTeXified and fixed a typo. Feb20 revised How do I find the antiderivative of $5\sin(4x)$? LaTeXified. Feb15 revised Solve an inequality with fractions LaTeXified. Feb11 revised Please confirm my lim sup and lim inf of sets answers LaTeXified Feb2 revised Does the graph of $\cos x$ intersect the unit circle other than the point (0,1)? Guaranteed only one intersection point. Feb2 revised Is “divisible by 15” the same as “divisible by 5 and divisible by 3”? Needed to show the other direction. Jan31 revised How many numbers are in a floating point number system, given these 4 parameters. LaTeX-ified. Jan26 revised probability question (“birthday paradox”) LaTeX-ified. Jan24 revised Lower bound for monochromatic triangles in $K_n$ edited tags Oct14 revised Prove by delta/epsilon that $\lim_{x \to \infty}{\frac{x}{1+x^2}} = 0$ LaTeX formatting. Aug26 revised Power a Matrix (Without calculating) LaTeX formatting. Aug26 revised Equation manipulation question LaTeX formatting. Aug25 revised Square root of a number squared is equal to the absolute value of that number LaTeX formatting. Aug25 revised Minimal area of a surface that splits a cube into two equal-size pieces Grammar/syntax and LaTeX Aug16 revised exponent manipulation - $4^{21} \cdot 5^{11} = 2 \cdot 10^{n}$ - what is $n$? LaTeX formatting. Aug1 revised How do you take the derivative with respect to a function? Improved readability a bit. Jul16 revised How many possible ways of stacking 12 red, 12 green, and 12 blue poker chips so that no blue is touching one another? Fixed an error I introduced... Jul16 revised How many possible ways of stacking 12 red, 12 green, and 12 blue poker chips so that no blue is touching one another? Had an error. Jul15 revised Periodic sequences on finite alphabet Added code.