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The gradient (siope) of a curve at any p...

The gradient (siope) of a curve at any point (x,y) is `(x^(2)-4)/(x^(2))` . If the curve passes through the point (2 , 7) , then the equation of the curve is ,

A

`y=x+(4)/(x)+3`

B

`y=x+(4)/(x)+4`

C

`y=x^(2)+3x+4`

D

`y=x^(2)-3x+6`

Text Solution

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The correct Answer is:
A
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