circle

Related Questions

• If the circle ${{(x-h)}^{2}}+{{(y-k)}^{2}}={{r}^{2}}$ touches the curve $y={{x}^{2}}+1$ at a point (1, 2), then the possible locations of the points (h, k) are given by

  ---

• The line $ax+by+c=0$ is a normal to the circle ${{x}^{2}}+{{y}^{2}}={{r}^{2}}$ . The portion of the line $ax+by+c=0$ intercepted by this circle is of length

  ---

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

  ---

• If the circles ${{x}^{2}}+{{y}^{2}}-2ax+c=0$ and ${{x}^{2}}+{{y}^{2}}+2by+2\lambda =0$ intersect orthogonally, then the value of $\lambda $ is

  ---

• The point at which the normal to the circle ${{x}^{2}}+{{y}^{2}}+4x+6y-39=0$ at the point (2, 3) will meet the circle again, is

  ---