List questions from fractions

Published on 02 Oct 2017 - 8:12

60

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Inequality $\frac{1}{k^2} < \frac{1}{k(k-1)}$

Published on 02 Oct 2017 - 20:15

169

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Rationalize a fraction.

Published on 03 Oct 2017 - 16:49

412

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Prove an integral involving the bessel function

Published on 02 Apr 2026 - 10:08

52

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How would I solve for A, B and C?

Published on 04 Oct 2017 - 3:28

55

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Range of the function

Published on 05 Oct 2017 - 13:40

55

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I just got this exercise today and understood it quite well, although I want to practice more.

Published on 06 Oct 2017 - 17:57

175

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Show that $(a+2b+\frac{2}{a+1})(b+2a+\frac{2}{b+1})\geqslant16$ if $ ab\geqslant1$

Published on 31 Mar 2026 - 9:39

57

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Two Limit questions

Published on 06 Apr 2026 - 9:47

67

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Can someone tell me what should i do next? Should I use the inequality between Arithmetic and Geometric mean?

Published on 26 Mar 2026 - 19:18

476

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Can the inequality $\frac{a+b}{c} + \frac{b+c}{a} + \frac{c+a}{b} \geq 6$ be proved with differentiation?

Published on 31 Mar 2026 - 9:39

103

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Solving $\tan(x+1)-\tan(x)=0$

Published on 09 Oct 2017 - 5:34

116

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Explain how to answer. $\frac{x^{4} + 2x^{2}-2x-3}{x^{2}+ 7x+10}$

Published on 09 Oct 2017 - 10:50

62

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How to proof that $\forall n \ge 1: \sum_{i=1}^n (i(i+1))^{-1} = n(n+1)^{-1}$ using mathematical induction

Published on 09 Oct 2017 - 11:15

676

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Prove that for any two real numbers $x,y$ with $x\neq 0$

Published on 31 Mar 2026 - 14:15

List Question

Simplify long expression

Inequality $\frac{1}{k^2} < \frac{1}{k(k-1)}$

Rationalize a fraction.

Prove an integral involving the bessel function

How would I solve for A, B and C?

Range of the function

I just got this exercise today and understood it quite well, although I want to practice more.

Show that $(a+2b+\frac{2}{a+1})(b+2a+\frac{2}{b+1})\geqslant16$ if $ ab\geqslant1$

Two Limit questions

Can someone tell me what should i do next? Should I use the inequality between Arithmetic and Geometric mean?

Can the inequality $\frac{a+b}{c} + \frac{b+c}{a} + \frac{c+a}{b} \geq 6$ be proved with differentiation?

Solving $\tan(x+1)-\tan(x)=0$

Explain how to answer. $\frac{x^{4} + 2x^{2}-2x-3}{x^{2}+ 7x+10}$

How to proof that $\forall n \ge 1: \sum_{i=1}^n (i(i+1))^{-1} = n(n+1)^{-1}$ using mathematical induction

Prove that for any two real numbers $x,y$ with $x\neq 0$

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