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समीकरण cos^(2)theta=((x+y)^(2))/(4xy) तभ...

समीकरण `cos^(2)theta=((x+y)^(2))/(4xy)` तभी संभव है?

A

x gt y

B

x = y

C

x lt y

D

x = -y

Text Solution

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The correct Answer is:
B
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