1.

If `x=a(cos theta+theta sin theta),y=a(sin theta-theta cos theta)`, then `(d^(2)y)/(dx^(2))=`A. `(sec^(3)theta)/(a theta)`B. `(sec^(2)theta)/(theta)`C. `a theta cos^(3)theta`D. `(sec^(2)theta)/(a)`

Answer» Correct Answer - A


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