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If y = m x +5 is a tangent to the curve...

If `y = m x +5 ` is a tangent to the curve `x ^(3) y ^(3) = ax ^(3) +by^(3)at P (1,2),` then

A

`a+b=(18)/(5)`

B

`a gt b`

C

`a lt b`

D

`a +b=(19)/(5)`

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The correct Answer is:
A, D
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