Question

Finding natural domain of real functions involving square root and absolute value

score 342 · Answer 1 · 2026-04-14 11:00:22

342

Views

Finding natural domain of real functions involving square root and absolute value

Published on 14 Apr 2026 - 11:00

score 62 · Answer 2 · 2026-04-14 17:14:50

62

Views

Solve for angles, A: $2\sin^2A+3\sin A-2=0$.

Published on 14 Apr 2026 - 17:14

score 214 · Answer 3 · 2026-04-14 02:46:43

214

Views

Constructing a real function with specific graphical requirements

Published on 14 Apr 2026 - 2:46

score 850 · Answer 4 · 2026-04-16 13:38:24

850

Views

Discriminant for $ax^3+bx^2+cx+d=0?$

Published on 16 Apr 2026 - 13:38

score 69 · Answer 5 · 2026-04-15 04:22:05

69

Views

Find equation of tangent to a curve.

Published on 15 Apr 2026 - 4:22

score 41 · Answer 6 · 2026-04-15 08:22:18

41

Views

Simple way to calculate the inverses of these functions

Published on 15 Apr 2026 - 8:22

score 324 · Answer 7 · 2026-04-17 13:21:36

324

Views

Injectiveness and surjectiveness of $f$ and of $g$, respectively, of the composition $g\circ f$.

Published on 17 Apr 2026 - 13:21

score 216 · Answer 8 · 2026-04-13 23:35:26

216

Views

Conditions to be able to write down the inverse function as a closed-form expression

Published on 13 Apr 2026 - 23:35

score 89 · Answer 9 · 2026-04-12 13:45:11

89

Views

Solving for $x$ from given equation

Published on 12 Apr 2026 - 13:45

score 205 · Answer 10 · 2026-04-10 07:10:51

205

Views

Extension of a convex function

Published on 10 Apr 2026 - 7:10

score 57 · Answer 11 · 2026-04-17 18:07:43

57

Views

Find all integers $a,b,c$ such that $0 \le a,b,c \le 1000$ and $1001|a^3+b^3+c^3-3abc-1$

Published on 17 Apr 2026 - 18:07

score 2k · Answer 12 · 2026-04-10 11:39:26

2k

Views

What is the intuition for the multiplicity of a root of a polynomial equation?

Published on 10 Apr 2026 - 11:39

score 391 · Answer 13 · 2026-04-20 07:09:04

391

Views

Russian MO 2004 $\sqrt{a} + \sqrt{b} + \sqrt{c} \geq ab + bc + ca$

Published on 20 Apr 2026 - 7:09

score 534 · Answer 14 · 2026-04-11 19:59:35

534

Views

How to find the speed of a river when an object is moving over it?

Published on 11 Apr 2026 - 19:59

score 156 · Answer 15 · 2026-04-12 01:15:43

156

Views

Solve the inequality $\sqrt{\frac{4x-1}{x-a}}>a$

Published on 12 Apr 2026 - 1:15

List Question

Finding natural domain of real functions involving square root and absolute value

Solve for angles, A: $2\sin^2A+3\sin A-2=0$.

Constructing a real function with specific graphical requirements

Discriminant for $ax^3+bx^2+cx+d=0?$

Find equation of tangent to a curve.

Simple way to calculate the inverses of these functions

Injectiveness and surjectiveness of $f$ and of $g$, respectively, of the composition $g\circ f$.

Conditions to be able to write down the inverse function as a closed-form expression

Solving for $x$ from given equation

Extension of a convex function

Find all integers $a,b,c$ such that $0 \le a,b,c \le 1000$ and $1001|a^3+b^3+c^3-3abc-1$

What is the intuition for the multiplicity of a root of a polynomial equation?

Russian MO 2004 $\sqrt{a} + \sqrt{b} + \sqrt{c} \geq ab + bc + ca$

How to find the speed of a river when an object is moving over it?

Solve the inequality $\sqrt{\frac{4x-1}{x-a}}>a$

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