List questions from algebra-precalculus

Published on 11 Apr 2026 - 14:42

239

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Parametrizing $x^2(x^2+y^2)=4(x-y)^2$

Published on 16 Apr 2026 - 22:36

62

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How to prove this programming puzzle problem?

Published on 11 Apr 2026 - 14:25

206

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To compute the sum using 2011 th roots of unity

Published on 12 Apr 2026 - 16:47

72

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Algebraic Proof on equivalence

Published on 11 Apr 2026 - 1:18

94

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Example of continuous non differentiable function

Published on 12 Apr 2026 - 17:37

896

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How to tackle $\lim_{x \to 0} \frac{\sin x -\arctan x}{x^2\log(1+x)}$

Published on 14 Apr 2026 - 17:56

38

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Interest problem

Published on 09 Apr 2026 - 2:46

114

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Real root of $x(x+t)^2-4=0$ $\ge$ greatest real root of $4x^6-6x^4+4t^3x^3+t^6-3t^4=0$

Published on 15 Apr 2026 - 11:58

34

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basic inequality using quadratic equation

Published on 11 Apr 2026 - 10:55

2.6k

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How can I solve a problem using the Chinese remainder theorem and how does mod operator is understood correctly?

Published on 25 Mar 2026 - 7:42

3.2k

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How to find the height of a rectangle given its area and the difference between the base and the height?

Published on 11 Apr 2026 - 11:40

48

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Proving a simple algebra equation

Published on 11 Apr 2026 - 10:36

82

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Evaluate $\arctan{\frac{1}{2}} + \arctan{\frac{1}{3}}$

Published on 17 Apr 2026 - 18:03

1k

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Factoring $x^2-y^2-z^2+2yz+x+y-z$

Published on 16 Apr 2026 - 10:37

List Question

Algebra precalculus factorization

Parametrizing $x^2(x^2+y^2)=4(x-y)^2$

How to prove this programming puzzle problem?

To compute the sum using 2011 th roots of unity

Algebraic Proof on equivalence

Example of continuous non differentiable function

How to tackle $\lim_{x \to 0} \frac{\sin x -\arctan x}{x^2\log(1+x)}$

Interest problem

Real root of $x(x+t)^2-4=0$ $\ge$ greatest real root of $4x^6-6x^4+4t^3x^3+t^6-3t^4=0$

basic inequality using quadratic equation

How can I solve a problem using the Chinese remainder theorem and how does mod operator is understood correctly?

How to find the height of a rectangle given its area and the difference between the base and the height?

Proving a simple algebra equation

Evaluate $\arctan{\frac{1}{2}} + \arctan{\frac{1}{3}}$

Factoring $x^2-y^2-z^2+2yz+x+y-z$

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