The equation of the pair of tangents drawn from the point $(6, -5)$ to the circle $x^2 + y^2 - 2x + 4y + 3 = 0$ is:

  • A
    $7x^2 + 23y^2 + 30xy - 66x - 50y - 73 = 0$
  • B
    $7x^2 + 23y^2 - 30xy - 66x - 50y + 73 = 0$
  • C
    $7x^2 + 23y^2 + 30xy - 66x + 50y - 73 = 0$
  • D
    None of these

Explore More

Similar Questions

The length (in units) of the common chord of the circles $x^2+y^2+2x+3y+1=0$ and $x^2+y^2+4x+3y+2=0$ is:

If the chord of contact of $P(x_1, y_1)$ with respect to the circle $x^2+y^2=a^2$ meets the circle at $A$ and $B$; and if $\angle AOB=90^{\circ}$,then $x_1^2+y_1^2=$

Given the circles $x^2 + y^2 - 4x - 5 = 0$ and $x^2 + y^2 + 6x - 2y + 6 = 0$. Let $P$ be a point $(\alpha, \beta)$ such that the lengths of the tangents from $P$ to both circles are equal. Then:

Let $C_{1}$ and $C_{2}$ denote the centres of the circles $x^{2}+y^{2}=4$ and $(x-2)^{2}+y^{2}=1$ respectively and let $P$ and $Q$ be their points of intersection. Then, the areas of $\Delta C_{1} P Q$ and $\Delta C_{2} P Q$ are in the ratio (in $: 1$)

The length of the common chord of the circles of radii $15$ and $20$,whose centers are $25$ units of distance apart,is

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo