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if cos^(-1) ((y)/(b))= n log ((x)/(n)),...

if `cos^(-1) ((y)/(b))= n log ((x)/(n)),` then

A

`y_(1) = x sqrt(b^(2)-y^(2))=0`

B

`xy_(1)-sqrt(b^(2)-y^(2))=0`

C

`xy_(1)=n sqrt(b^(2)-y^(2))`

D

`xy_(1)+nsqrt(b^(2)-y^(2)) =0`

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The correct Answer is:
D
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MODERN PUBLICATION-MOCK TEST PAPER -II-SELECT CORRECT ANSWER
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