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May
20
revised Which methods to use to integrate $\int{\frac{x^4 + 1}{x^2 +1}}\, dx$
indicate where
May
20
revised Which methods to use to integrate $\int{\frac{x^4 + 1}{x^2 +1}}\, dx$
indicate where
May
20
suggested suggested edit on Which methods to use to integrate $\int{\frac{x^4 + 1}{x^2 +1}}\, dx$
May
20
suggested suggested edit on Which methods to use to integrate $\int{\frac{x^4 + 1}{x^2 +1}}\, dx$
Feb
3
revised Calculus integration problem: $\int(\sec x)(\tan x)(1+\sec x)^{1/2}dx$?
latexification
Feb
3
suggested suggested edit on Calculus integration problem: $\int(\sec x)(\tan x)(1+\sec x)^{1/2}dx$?
Jan
29
comment Prove that if every root of $P(x)$ is real then every root of $P'(x),P''(x),.. $are real too
...and if they coincide, the derivative has a root at that point.
Jan
27
revised Series convergence divergence and tests and sums
latexification, English
Jan
27
suggested suggested edit on Series convergence divergence and tests and sums
Jan
27
suggested suggested edit on Series convergence divergence and tests and sums
Jan
13
accepted Why are there isosceles triangles?
Jan
13
accepted Why, historically, do we multiply matrices as we do?
Jan
7
comment Why, historically, do we multiply matrices as we do?
+1, many thanks.
Jan
7
awarded  Nice Question
Jan
7
revised Why, historically, do we multiply matrices as we do?
per comments
Jan
7
comment Why, historically, do we multiply matrices as we do?
What @MJD said.
Jan
7
comment Why, historically, do we multiply matrices as we do?
@HarryStern, explicitly, I thought. Anyway, yes, that's what I want.
Jan
7
asked Why, historically, do we multiply matrices as we do?
Dec
21
revised Prove every odd integer is the difference of two squares
edited tags
Dec
21
comment Prove every odd integer is the difference of two squares
Re "Since B and k are both just constants, they can be treated as equal": no: you already fixed both.