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If x= asin t- b cos t ,y=a cost +bsin t...

If ` x= asin t- b cos t ,y=a cost +bsin t,then y^(3) (d^(2) y)/(dx^(2) )=`

A

` -(a^(2) +b^(2))`

B

` a^(2) +b^(2)`

C

` x^(2)+y^(2)`

D

` -(x^(2)+y^(2))`

Text Solution

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The correct Answer is:
D
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