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For the curve 4x^(5)=5y^(4), the ratio o...

For the curve `4x^(5)=5y^(4)`, the ratio of the cube of the sub-tangent at a point on the curve to the square of the sub-normal at the same point is :

A

`((5)/(4))^(4)`

B

`((4)/(5))^(4)`

C

`y((5)/(4))^(4)`

D

`x((4)/(5))^(5)`

Text Solution

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The correct Answer is:
B
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