If the equation of the tangent to the cu...

If the equation of the tangent to the curve `y^2=a x^3+b` at point `(2,3)i sy=4x-5` , then find the values of `aa n db` .

A

`3,-5`

B

`6,-5`

C

`6, 15`

D

`6, -15`

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D

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