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The equation of the normal to the circl...

The equation of the normal to the circle `x^(2)+y^(2)+6 x+4 y-3=0` at (1,-2) is

A

`y+1=0`

B

`y+2=0`

C

`y+3=0`

D

`y-2=0`

Text Solution

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The correct Answer is:
B
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HIMALAYA PUBLICATION-CIRCLES-QUESTION BANK
  1. Two circleS of equal radius ' r ' cut orthogonally. If their centres ...

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  2. The radical axis of the circleS x^(2)+y^(2)+3 x+4 y-5=0 x^(2)+y^(...

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  3. The equation of the normal to the circle x^(2)+y^(2)+6 x+4 y-3=0 at (...

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  4. A line is at a constant distance c from the origin and meets the coord...

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  5. The four distinct points (0,0),(2,0),(0,-2) and (k,-2) are conclyic if...

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  6. The radius of the larger circle lying in the first quadrant and touch...

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  7. The equation of the circle of radius 5 and touching the coordinate ax...

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  8. If 2 x-4 y=9 and 6 x-12 y+7=0 are common tangtnts to a circle, then r...

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  9. If P is a point such that the ratio of the squares of the ltngths of t...

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  10. If the circle x^(2)+y^(2)+6 x-2 y+k=0 bisects the circumference of th...

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  11. A line l meet the circle x^(2)+y^(2)=61 in A and B and P(-5,6) is suc...

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  12. If the line 3 x-2 y+6=0 meets x -axis and y -axis respectively at A an...

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  13. If P(1), P(2) and P(3) are the perimeters of the three circleS and ...

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  14. The number of circleS that touch all the three lines x+y-1=0, x-y-1=0...

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  15. Which of the following equations gives a circle

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  16. The equation of the circle described on the common chord of the circ...

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  17. If y=3 x is a tangent to a circle with centre (1,1) then the other ta...

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  18. If x-y+1=0 meets the circle. x^(2)+y^(2)+y-1=0 at A and B, then t...

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  19. The ltngth of the tangtnt drawn to the circle x^(2)+y^(2)-2 x+4 y-11=...

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  20. Observe the following statements I. The circle x^(2)+y^(2)-6 x-4 y-7=...

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