MHT-CET

Circle question bank (Mathematics)

Practice 115 free MHT-CET Mathematics - Circle questions with answers and step-by-step solutions.

Q1.

The equation of the circle whose diameter is common chord to the circles $x^{2}+y^{2}+2 a x+c=0$ and $x^{2}+y^{2}+2 b y+c=0$ is

(A)
$x^{2}+y^{2}-\frac{2 a b^{2}}{a^{2}+b^{2}} x+\frac{2 a^{2} b}{a^{2}+b^{2}} y+c=0$
(B)
$x^{2}+y^{2}-\frac{2 a b^{2}}{a^{2}+b^{2}} x-\frac{2 a^{2} b}{a^{2}+b^{2}} y+c=0$
(C)
$x^{2}+y^{2}+\frac{2 a b^{2}}{a^{2}+b^{2}} x+\frac{2 a^{2} b}{a^{2}+b^{2}} y+c=0$
(D)
$x^{2}+y^{2}+\frac{2 a b^{2}}{a^{2}+b^{2}} x-\frac{2 a^{2} b}{a^{2}+b^{2}} y+c=0$
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers, instant hints, and detailed explanations.
Sign in to view
Q2.

If $m_{1}$ and $m_{2}$ are the slopes of tangents to the circle $x^{2}+y^{2}=4$ from the point $(3,2)$, then $m_{1}-m_{2}$ is equal to

(A)
$\frac{5}{12}$
(B)
$\frac{12}{5}$
(C)
$\frac{3}{2}$
(D)
0
Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers, instant hints, and detailed explanations.
Sign in to view
Protected Questions

Unlock All 9 Questions in Circle

Log in or sign up free to access every question with complete solutions, create chapter practice tests, and track your performance.

Sign up free to access all 9 questions

Unlock every Circle question, generate papers, and practice at your own pace.