In an equilateral triangle ABC, D is a point on side BC s.t BD = 1/3 BC. Prove that 9 AD² = 7 AB²

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In this video we are going to solve this question, In an equilateral triangle ABC, D is a point on side BC such that BD = 1/3 BC. Prove that 9 AD^2 = 7 AB^2
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In an equilateral triangle ABC
D is a point on side BC s.t BD = 1/3 BC. Prove that 9 AD^2 = 7 AB^2
class 10 maths
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cbse maths class 10 important question
important questions of maths for class 10
important questions for cbse class 10 maths
important questions for class 10 maths real numbers
cbse class 10 maths
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class 10 math important question