Go To Your Study Dashboard

Get Answers to all your Questions

header-bg

If the line y = mx-2 is tangent to the circle $x^2+y^2=4$ , then
Option: 1
m = 1

Option: 2
m = -2

Option: 3
m = 2

Option: 4
m = 0

Answers (1)

best_answer

Given equation of the circle is $x^2+y^2=4$

a = 2

Equation of line , y = mx -2

Since the line is tangent to the circle, so

$\\2=\frac{|-2|}{\sqrt{1+m^2}}\\\Rightarrow m=0$

Posted by

HARSH KANKARIA

View full answer

Similar Questions

Trending Articles/News

anam-khan

CAT 2026 application form correction facility soon at iimcat.ac.in; MBA entrance exam on November 29

anam-khan

IIM CAT exam 2026 registration closes today

anam-khan

CAT 2026 registration last date extended to September 22; apply at iimcat.ac.in

Latest Question