New posts in substitution

Can't use '\1' backreference to capture-group in a function call in re.sub() repr expression

python regex substitution backreference capture-group

Evaluating $\int_{0}^{1}\int_{0}^{1}\sqrt{x^{2}+y^{2}}dxdy$ using polar coordinates.

calculus integration polar-coordinates substitution

Is it necessary to write limits for a substituted integral?

definite-integrals substitution bounds-of-integration

If $ab+bc+ca+abc=4$, then $\sqrt{ab}+\sqrt{bc}+\sqrt{ca}\leq 3\leq a+b+c$

trigonometry inequality contest-math substitution muirhead-inequality

For positive $a$, $b$, $c$ with $abc=1$, show that $\sum_{cyc}\sqrt{a^2-a+1}\geq a+b+c$

inequality contest-math substitution cauchy-schwarz-inequality mixing-variables

Prove $\frac{1}{2a+2bc+1} + \frac{1}{2b+2ca+1} + \frac{1}{2c+2ab+1} \ge 1$

inequality polynomials fractions substitution uvw

Solve $a^x = bx$ without graphing?

logarithms exponential-function graphing-functions substitution

proving :$\frac{ab}{a^2+3b^2}+\frac{cb}{b^2+3c^2}+\frac{ac}{c^2+3a^2}\le\frac{3}{4}$.

inequality substitution a.m.-g.m.-inequality cauchy-schwarz-inequality sum-of-squares-method

Remove all newlines from inside a string

python string newline substitution

Why is $\sqrt[3]{18+5\sqrt{13}} + \sqrt[3]{18-5\sqrt{13}} = 3$?

algebra-precalculus radicals factoring substitution nested-radicals

How to prove the inequality $ \frac{a}{\sqrt{1+a}}+\frac{b}{\sqrt{1+b}}+\frac{c}{\sqrt{1+c}} \ge \frac{3\sqrt{2}}{2}$

inequality lagrange-multiplier substitution a.m.-g.m.-inequality holder-inequality

How to substitute blanks between certain patterns using regex

java regex substitution

Substitute with contents of register or lines range from elsewhere in file in Vim

replace vim substitution

How to get name of variable in R (substitute)?

r variables substitution

Hard inequality $ (xy+yz+zx)\left(\frac{1}{(x+y)^2}+\frac{1}{(y+z)^2}+\frac{1}{(z+x)^2}\right)\ge\frac{9}{4} $

inequality contest-math substitution symmetric-polynomials uvw

Combined AM GM QM inequality

inequality radicals substitution a.m.-g.m.-inequality uvw

How prove this $x^3+y^3+z^3+3\ge 2(x^2+y^2+z^2)$

multivariable-calculus inequality substitution uvw mixing-variables

How do I create a "macro" for regressors in R?

r stata substitution lm stata-macros

Evaluating $\int_0^1 \frac{3x}{\sqrt{4-3x}} dx$

calculus integration definite-integrals substitution

How prove $\frac{1}{a}+\frac{1}{b}+\frac{1}{c}\le\frac{3}{\sqrt{7}}$

multivariable-calculus inequality substitution symmetric-polynomials uvw