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Question: Answered & Verified by Expert
Circle $x^2+y^2+6 y=0$ touches
MathematicsCircleJEE Main
Options:
  • A $y$-axis at the origin
  • B $x$-axis at the origin
  • C $x$-axis at the point $(3,0)$
  • D The line $y+3=0$
Solution:
1230 Upvotes Verified Answer
The correct answer is: $x$-axis at the origin
Centre is $(0,-3)$ and $R=\sqrt{0^2+9+0}=3$

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