List questions from problem-solving

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A Rational Problem about a Pilot and His Plane

Published on 15 Jan 2017 - 6:18

122

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Solve limit with integral

Published on 15 Jan 2017 - 11:32

349

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How to calculate the number of states of a 7-segment LCD?

Published on 15 Jan 2017 - 22:41

147

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ISI 10+2 Question

Published on 17 Jan 2017 - 12:06

381

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if $f(x)+2f(\frac{1}{x})=2x^2$ what is $f(\sqrt{2})$

Published on 18 Jan 2017 - 13:37

332

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How to evaluate $\cos\left(\frac{1}{2}\arcsin\left(\frac{1}{4}\right)\right)$

Published on 19 Jan 2017 - 1:35

110

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If $f(x+y)=f(x)*f(y)$ and $f(0)$ is a non 0, what is $f(0)?$

Published on 19 Jan 2017 - 11:30

91

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Confusion on Ash and Doleans-Dade Probability and Measure Theory Section 1.2 Question 3

Published on 19 Jan 2017 - 17:33

274

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how to evaluate $\tan x-\cot x=2$

Published on 21 Jan 2017 - 5:11

100

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Find all the functions for which $f(x^{2})-f(y^{2})=(x+y)(f(x)-f(y)):\forall x, y\in\mathbb{R}$

Published on 01 Apr 2026 - 6:10

11.8k

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Verify $(y-x)y' = y-x+8$ has an explicit solution $y = x+ 4 \sqrt{x+2}$

Published on 26 Jan 2017 - 2:35

262

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How to explain this geometry problem to an 8th grader?

Published on 26 Jan 2017 - 8:04

430

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Solving a biquadratic equation

Published on 27 Jan 2017 - 9:34

165

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How to solve an equation with a complex exponential equalling a complex number

Published on 27 Jan 2017 - 9:44

List Question

How is this question about slices of a pyramid to be interpreted?

A Rational Problem about a Pilot and His Plane

Solve limit with integral

How to calculate the number of states of a 7-segment LCD?

ISI 10+2 Question

if $f(x)+2f(\frac{1}{x})=2x^2$ what is $f(\sqrt{2})$

How to evaluate $\cos\left(\frac{1}{2}\arcsin\left(\frac{1}{4}\right)\right)$

If $f(x+y)=f(x)*f(y)$ and $f(0)$ is a non 0, what is $f(0)?$

Confusion on Ash and Doleans-Dade Probability and Measure Theory Section 1.2 Question 3

how to evaluate $\tan x-\cot x=2$

Find all the functions for which $f(x^{2})-f(y^{2})=(x+y)(f(x)-f(y)):\forall x, y\in\mathbb{R}$

Verify $(y-x)y' = y-x+8$ has an explicit solution $y = x+ 4 \sqrt{x+2}$

How to explain this geometry problem to an 8th grader?

Solving a biquadratic equation

How to solve an equation with a complex exponential equalling a complex number

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