List questions from substitution

Published on 25 Oct 2019 - 21:09

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What are the solutions for the following equation?

Published on 26 Oct 2019 - 22:40

83

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Every Integral equals to zero?

Published on 29 Oct 2019 - 10:58

721

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How does substitution work in predicate logic?

Published on 30 Oct 2019 - 12:27

42

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Explanation of integral substitution without resorting to differentials

Published on 30 Oct 2019 - 23:18

24

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Integral with substitution including variable itself(t=tx)

Published on 03 Nov 2019 - 15:59

231

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$a^2b^2+a^2c^2+b^2c^2\leq 3$

Published on 05 Nov 2019 - 9:51

204

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Prove that $\sum \frac{x}{x^2+7}\le \frac{3}{8}$

Published on 24 Mar 2026 - 21:53

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Prove $(\frac{x^2}{y}+\frac{y^2}{z}+\frac{z^2}{x})^3+12\ge 13(x^3+y^3+z^3)$ for positives $xyz = 1$

Published on 06 Nov 2019 - 1:41

45

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Evaluation of $dx$ in trigonometric substitution

Published on 07 Nov 2019 - 19:17

122

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Substitute a variable in PDE of two variables

Published on 08 Nov 2019 - 12:39

217

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Solving the integral $\int \ln\left ( \frac{1+\sqrt{1-x^2}}{1-\sqrt{1-x^2}} \right ) \frac{dx}{1-x^2}$

Published on 11 Nov 2019 - 8:02

37

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Finding the equation of the trajectory

Published on 11 Nov 2019 - 14:11

96

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Integration by substitution $\int_{}^{} \frac{1+\sin(x)}{{\cos(x)}} \ dx$

Published on 12 Nov 2019 - 19:42

72

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definite integral with complex solution

Published on 14 Nov 2019 - 16:26

List Question

Specific substitution integral

What are the solutions for the following equation?

Every Integral equals to zero?

How does substitution work in predicate logic?

Explanation of integral substitution without resorting to differentials

Integral with substitution including variable itself(t=tx)

$a^2b^2+a^2c^2+b^2c^2\leq 3$

Prove that $\sum \frac{x}{x^2+7}\le \frac{3}{8}$

Prove $(\frac{x^2}{y}+\frac{y^2}{z}+\frac{z^2}{x})^3+12\ge 13(x^3+y^3+z^3)$ for positives $xyz = 1$

Evaluation of $dx$ in trigonometric substitution

Substitute a variable in PDE of two variables

Solving the integral $\int \ln\left ( \frac{1+\sqrt{1-x^2}}{1-\sqrt{1-x^2}} \right ) \frac{dx}{1-x^2}$

Finding the equation of the trajectory

Integration by substitution $\int_{}^{} \frac{1+\sin(x)}{{\cos(x)}} \ dx$

definite integral with complex solution

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