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In triangle a...

Question

In triangle abc d a parallel a b a b is equal to 2x BC = X + 3 be is equal to 2 X - 1 Ce is equal to X then find x

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Solution

according to BPT we get
CD/DA=CE/BE
that is x+3/2x=x/2x-1
on cross multiplication
(x+3)(2x-1)=2x^2
2x^2+5x-3=2x^2
2x^2 cancel on both sides
x=3/5

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