Question

Perpendicular ad on the base bc of a triangle.Abc intersects bc at



d.Such that db=3cd.Prove that 2(ab)square=2(ac)square+ bcsqaure

Answer 1

Here is the solution of your asked question .

Note the given question is to prove
$2{ ab}^{2} = 2 {ac}^{2} - {bc}^{2}$
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