If x = a ( cos t + t sin t ) , y = a ( sin t − t cos t ) then ( d t d x ) 2 + ( d t d y ) 2 =, a, a t, a 2 t 2, a 2 t

If x = a ( cos t + t sin t ) , y = a ( sin t − t cos t ) then ( d t d x ) 2 + ( d t d y ) 2 =

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If $x=a(\cos t+t \sin t), y=a(\sin t-t \cos t)$ then $\sqrt{\left(\frac{d x}{d t}\right)^2+\left(\frac{d y}{d t}\right)^2}=$

MathematicsDifferentiationAP EAMCETAP EAMCET 2017 (25 Apr Shift 1)

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The correct answer is: $at$

No solution. Refer to answer key.

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