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Let ABC be a triangle, let M be the midpoint of side BC, and let D be a point on side BC such that ∠DAB = ∠MAC.

 

(a) Prove that, DB / DC = c^2 / b^2

(b) Using (a), Prove that, AD = [2bc / (b^2 + c^2)]  · ma

 Jul 2, 2023

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