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A family of curves is such that the slop...

A family of curves is such that the slope of normal at any point (x, y) is 2(1-y).
If y = f(x) is a member of this family passing through (-1, 2) then its equation is

A

`y^(2) - 2y - x-1 = 0`

B

`y^(2) + 2y + x - 7 = 0`

C

`y^(2) - 2y + x +1 = 0`

D

`y^(2) + 2y - x - 9 = 0`

Text Solution

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The correct Answer is:
A
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