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If sec((x+y)/(x-y))=a , prove that (dy)/...

If `sec((x+y)/(x-y))=a` , prove that `(dy)/(dx)=y/x` .

A

`x/y`

B

`y/x`

C

y

D

x

Text Solution

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IPUCET PREVIOUS YEAR PAPERS-GGSIPU MATHMATICS 2012-MCQs
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