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Byju's Answer
Standard X
Mathematics
Similar Triangles
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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