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Feb
22
revised How many permutations of $\{1,2,…n\}$ derange the odd numbers?
Mainly LaTeXified.
Feb
21
revised generalised formula for sum of first $n$ tetranacci numbers
Linkified.
Feb
20
revised About unsymmetric and symmetric matrices' eigenvalue problem
LaTeXified.
Feb
20
revised Derive a formula to find the number of trailing zeroes in $n!$
LaTeXified and fixed a typo.
Feb
20
revised How do I find the antiderivative of $5\sin(4x)$?
LaTeXified.
Feb
15
revised Solve an inequality with fractions
LaTeXified.
Feb
11
revised Please confirm my lim sup and lim inf of sets answers
LaTeXified
Feb
2
revised Does the graph of $\cos x$ intersect the unit circle other than the point (0,1)?
Guaranteed only one intersection point.
Feb
2
revised Is “divisible by 15” the same as “divisible by 5 and divisible by 3”?
Needed to show the other direction.
Jan
31
revised How many numbers are in a floating point number system, given these 4 parameters.
LaTeX-ified.
Jan
26
revised probability question (“birthday paradox”)
LaTeX-ified.
Jan
24
revised Lower bound for monochromatic triangles in $K_n$
edited tags
Oct
14
revised Prove by delta/epsilon that $\lim_{x \to \infty}{\frac{x}{1+x^2}} = 0$
LaTeX formatting.
Aug
26
revised Power a Matrix (Without calculating)
LaTeX formatting.
Aug
26
revised Equation manipulation question
LaTeX formatting.
Aug
25
revised Square root of a number squared is equal to the absolute value of that number
LaTeX formatting.
Aug
25
revised Minimal area of a surface that splits a cube into two equal-size pieces
Grammar/syntax and LaTeX
Aug
16
revised exponent manipulation - $4^{21} \cdot 5^{11} = 2 \cdot 10^{n}$ - what is $n$?
LaTeX formatting.
Aug
1
revised How do you take the derivative with respect to a function?
Improved readability a bit.
Jul
16
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...