List questions from substitution

Published on 23 Mar 2026 - 17:43

93

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Integration by substitition: replacing function of x by function of u

Published on 01 Feb 2019 - 19:56

78

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Find anti-derivative of hairy expression under radical

Published on 02 Feb 2019 - 1:47

76

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Elementary differential equations: Please give a proof of the trick

Published on 02 Feb 2019 - 13:37

198

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Substitution in complex integral and the Argument Principle.

Published on 25 Mar 2026 - 12:55

144

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How can $f(x,y)$ be written as a function of $g\left(\frac{y}{x}\right)$?

Published on 03 Feb 2019 - 5:50

363

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$\sqrt{24ab+25}+\sqrt{24bc+25}+\sqrt{24ca+25}\geq 21$ if $a+b+c=ab+bc+ca$?

Published on 25 Mar 2026 - 4:41

505

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How to understand the definition of an inverse substitution when finding the primitive function?

Published on 03 Feb 2019 - 22:43

207

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Substitution in deduction - Propositional logic

Published on 04 Feb 2019 - 6:26

254

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$\frac{1}{3}\sum_{cyc}\frac{1}{\sqrt{1+a}}\ge\frac{1}{\sqrt{1+\sqrt[3]{abc}}}$ if $\;a, b, c\;$ are positive reals s.t. $abc\ge2^9$

Published on 25 Mar 2026 - 4:59

162

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Inequality of cyclic expression

Published on 08 Feb 2019 - 14:57

957

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Finding solution of recurrence relations $T(n) = 2T(n/3)+n$

Published on 09 Feb 2019 - 6:17

64

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Some interesting systems of equations

Published on 25 Mar 2026 - 17:36

92

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Integrate $x^2 \sqrt[]{3+5x^2}dx$ (preferably) using substitution

Published on 12 Feb 2019 - 4:07

126

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If $\tan(x_1) \cdots\tan(x_n)=1$ for acute $x_i$, then does it follow that $\cos(x_1)+\cdots+\cos(x_n) \leq n\sqrt{2}/2$?

Published on 13 Feb 2019 - 12:01

List Question

Suitable ansatz for Coupled system of PDEs

Integration by substitition: replacing function of x by function of u

Find anti-derivative of hairy expression under radical

Elementary differential equations: Please give a proof of the trick

Substitution in complex integral and the Argument Principle.

How can $f(x,y)$ be written as a function of $g\left(\frac{y}{x}\right)$?

$\sqrt{24ab+25}+\sqrt{24bc+25}+\sqrt{24ca+25}\geq 21$ if $a+b+c=ab+bc+ca$?

How to understand the definition of an inverse substitution when finding the primitive function?

Substitution in deduction - Propositional logic

$\frac{1}{3}\sum_{cyc}\frac{1}{\sqrt{1+a}}\ge\frac{1}{\sqrt{1+\sqrt[3]{abc}}}$ if $\;a, b, c\;$ are positive reals s.t. $abc\ge2^9$

Inequality of cyclic expression

Finding solution of recurrence relations $T(n) = 2T(n/3)+n$

Some interesting systems of equations

Integrate $x^2 \sqrt[]{3+5x^2}dx$ (preferably) using substitution

If $\tan(x_1) \cdots\tan(x_n)=1$ for acute $x_i$, then does it follow that $\cos(x_1)+\cdots+\cos(x_n) \leq n\sqrt{2}/2$?

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