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SonuNewbie

Asked: August 9, 2021In: NCERT Class 9th Maths

In an isosceles triangle ABC, with AB = AC, the bisectors of B and C intersect each other at O. Join A to O. Show that: (i) OB = OC (ii) AO bisects A. Q.1

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Sir please help me to solve the ncert class 9th solution of chapter triangles.How I solve this question of exercise ...Read more

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mehakNewbie

Asked: June 14, 2023In: CBSE

3. If α and β are the zeros of the quadratic polynomial f(x) = x2 – 5x + 4, find the value of 1/α + 1/β – 2αβ.

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Please explain in detail. find the value of 1/α + 1/β – 2αβ, when quadratic polynomial is f(x) = x2 – ...Read more

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mehakNewbie

Asked: June 28, 2023In: CBSE

2. In each of the following, determine whether the given values are solutions of the given equation or not: (v) 2×2 – x + 9 = x2 + 4x + 3, x = 2, x = 3

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Explain, how did we split the number in the equation. How to prove? Class 10th, Statistics, Rd sharma, Mathematics.

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mehakNewbie

Asked: July 31, 2023In: CBSE

20. The surface area of a solid metallic sphere is 616 cm2. It is melted and recast into a cone of height 28 cm. Find the diameter of the base of the cone so formed.

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Explain the question using, formulas given in the chapter. Class 10th, Cbse, RD Sharma, Surface area and volumes.

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Deepak BoraNewbie

Asked: July 10, 2020In: CBSE

Trigonometry

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A circus artist is climbing a 20 m long rope, which is tightly stretched and tied from the top of ...Read more

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Deepak BoraNewbie

Asked: July 14, 2020In: CBSE, ICSE

Find the point on the x-axis which is equidistant from (2, – 5) and (- 2, 9).

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Use the distance formula to find the points on the x-axis which is equidistant from (2, – 5) and (- ...Read more

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Deepak BoraNewbie

Asked: July 16, 2020In: ICSE

if a/b = c/d = e/f ,prove that (a^3 + b^3)^2 / (b^3 + d^3)^2 = e^6 / f^6

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Ratio and proportion

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Discy Latest Questions

In an isosceles triangle ABC, with AB = AC, the bisectors of B and C intersect each other at O. Join A to O. Show that: (i) OB = OC (ii) AO bisects A. Q.1

3. If α and β are the zeros of the quadratic polynomial f(x) = x2 – 5x + 4, find the value of 1/α + 1/β – 2αβ.

2. In each of the following, determine whether the given values are solutions of the given equation or not: (v) 2×2 – x + 9 = x2 + 4x + 3, x = 2, x = 3

20. The surface area of a solid metallic sphere is 616 cm2. It is melted and recast into a cone of height 28 cm. Find the diameter of the base of the cone so formed.

Trigonometry

Find the point on the x-axis which is equidistant from (2, – 5) and (- 2, 9).

if a/b = c/d = e/f ,prove that (a^3 + b^3)^2 / (b^3 + d^3)^2 = e^6 / f^6