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vivek

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· 1 Months ago

vivek (Question: 186651.0 )

Ad /Ab=1/root2 how explain it

Question:
In triangle ABC, DE || BC where and D is a point on AB and E is a point on AC. DE divides the area of ABC into two equal parts. Then DB : AB is equal to –
Options:
A) \(\sqrt{2}:(\sqrt{2}-1)\)
B) \((\sqrt{2}-1):\sqrt{2}\)
C) \((\sqrt{2}+1):\sqrt{2}\)
D) \(\sqrt{2}:(\sqrt{2}+1)\)
Solution:

Ans: (B) 


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