Please do this maths problem for me

Mathematics
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In a triangle ▲ ABC, D is a point on AB . A line is drawn parallel to AB joining D and E on AC.  Prove AD/DB=AE/EC

Dec 14th, 2014

DE is parallel to AB

The triangle ADE and ABC are similar.

AD/AB = AE/AC

AD/(AB-AD) =AE/(AC-AE) (property of ratio and proportion)

AD /DB = AE /EC


Dec 14th, 2014

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Dec 14th, 2014
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