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The equation of a curve passing through ...

The equation of a curve passing through `(2, 7//2)` and having gradient `1 - (1)/(x^(2))at (x,y)` is

A

`y = x^(2)+x+1`

B

`xy = x^(2)+x+1`

C

xy = x+1

D

`xy = x^(2)+1`

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The correct Answer is:
B
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