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Equations of the tangent and normal to the curve `x^(2)+y^(2)+4x-7y+5=0` at the point `(1,2)` are

A

`x-2y=5, x+2y=5`

B

`y=2x , x+2y=5`

C

`x=1 , y=2`

D

`x+2y+5=0, 2x+y=0`

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The correct Answer is:
B
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MARVEL PUBLICATION-APLICATIONS OF DERIVATIVES-MULTIPLE CHOICE QUESTIONS (TEST YOUR GRASP - II : CHAPTER 12)
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