Question

Minimum value of $\frac{2-\cos(x)}{\sin(x)}$ without differentiation

score 87 · Answer 1 · 2019-04-26 03:10:46

87

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Minimum value of $\frac{2-\cos(x)}{\sin(x)}$ without differentiation

Published on 26 Apr 2019 - 3:10

score 101 · Answer 2 · 2026-03-28 03:03:11

101

Views

Find the minimum value of $x$ in the given that $\frac{\sqrt{2x^2-1} + \sqrt{x^2-1}}{\sqrt2x^2}=1$

Published on 28 Mar 2026 - 3:03

score 37 · Answer 3 · 2019-04-26 08:27:24

37

Views

If $\frac{x^2-bx}{ax-c} = \frac{k-1}{k+1}$ has roots, whose magnitude is equal but signs are opposite.

Published on 26 Apr 2019 - 8:27

score 776 · Answer 4 · 2026-03-26 17:53:47

776

Views

If $ a, b, c$ are real numbers such that $a^2 + b^2 + c^2 = 1$, then show $ab+bc+ca> \frac{-1}{2}$

Published on 26 Mar 2026 - 17:53

score 638 · Answer 5 · 2026-03-28 11:54:29

638

Views

Solving $3x^2 - 4x -2 = 0$ by completing the square

Published on 28 Mar 2026 - 11:54

score 55 · Answer 6 · 2019-04-26 14:16:25

55

Views

Solve for all real $x$: $(3x^2-8x+5)/(4x^2-3x+7) > 0$

Published on 26 Apr 2019 - 14:16

score 470 · Answer 7 · 2019-04-27 07:50:41

470

Views

Real roots of the equation $\log_{(5x+4)}(2x+3)^3-\log_{(2x+3)}(10x^2+23x+12)=1$

Published on 27 Apr 2019 - 7:50

score 67 · Answer 8 · 2019-04-27 08:16:51

67

Views

Prove $f(x)=0$ has one root in between roots of $g(x)=0$

Published on 27 Apr 2019 - 8:16

score 100 · Answer 9 · 2019-04-28 12:30:01

100

Views

Finding A and B with the sum and product of them

Published on 28 Apr 2019 - 12:30

score 70 · Answer 10 · 2026-03-25 23:18:40

70

Views

Quadratic square values

Published on 25 Mar 2026 - 23:18

score 2.4k · Answer 11 · 2019-05-01 23:34:39

2.4k

Views

How was the quadratic formula created?

Published on 01 May 2019 - 23:34

score 130 · Answer 12 · 2026-03-26 02:44:32

130

Views

Quadratic equation including Arithmetic Progression

Published on 26 Mar 2026 - 2:44

score 790 · Answer 13 · 2019-05-03 20:05:35

790

Views

How would you explain this method of solving quadratic equations?

Published on 03 May 2019 - 20:05

score 833 · Answer 14 · 2026-03-27 12:03:59

833

Views

Solve $2x^2-5x+2=$ $\frac{5-\sqrt{9+8x}}{4}$

Published on 27 Mar 2026 - 12:03

score 186 · Answer 15 · 2019-05-04 09:39:51

186

Views

Quadratic equation with weighted average coefficients

Published on 04 May 2019 - 9:39

List Question

Minimum value of $\frac{2-\cos(x)}{\sin(x)}$ without differentiation

Find the minimum value of $x$ in the given that $\frac{\sqrt{2x^2-1} + \sqrt{x^2-1}}{\sqrt2x^2}=1$

If $\frac{x^2-bx}{ax-c} = \frac{k-1}{k+1}$ has roots, whose magnitude is equal but signs are opposite.

If $ a, b, c$ are real numbers such that $a^2 + b^2 + c^2 = 1$, then show $ab+bc+ca> \frac{-1}{2}$

Solving $3x^2 - 4x -2 = 0$ by completing the square

Solve for all real $x$: $(3x^2-8x+5)/(4x^2-3x+7) > 0$

Real roots of the equation $\log_{(5x+4)}(2x+3)^3-\log_{(2x+3)}(10x^2+23x+12)=1$

Prove $f(x)=0$ has one root in between roots of $g(x)=0$

Finding A and B with the sum and product of them

Quadratic square values

How was the quadratic formula created?

Quadratic equation including Arithmetic Progression

How would you explain this method of solving quadratic equations?

Solve $2x^2-5x+2=$ $\frac{5-\sqrt{9+8x}}{4}$

Quadratic equation with weighted average coefficients

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