circle

Related Questions

• The circles ${{x}^{2}}+{{y}^{2}}+4x+6y+3=0$ and $2({{x}^{2}}+{{y}^{2}})+6x+4y+C=0$ will cut orthogonally, if C equals

  ---

• If the line $x-2y=k$ cuts off a chord of length 2 from the circle ${{x}^{2}}+{{y}^{2}}=3$ , then $k =$

  ---

• $x=7$ touches the circle ${{x}^{2}}+{{y}^{2}}-4x-6y-12=0$ , then the coordinates of the point of contact are

  ---

• The equation of the circle in the first quadrant which touches each axis at a distance 5 from the origin is

  ---

• The equation of the circle passing through the point $(-1,\ -3)$ and touching the line $4x+3y-12=0$ at the point (3, 0), is

  ---