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The equation of normal of x^2+y^2-2x+4...

The equation of normal of
`x^2+y^2-2x+4y-5=0` at (2,1) is

A

y=3x-5

B

2y=3x-4

C

y=3x+4

D

y=x+1

Text Solution

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The correct Answer is:
A
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