wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If the line lx+my=1 be a tangent to the circle x2+y2=a2, prove that the point (l,m) lies on a circle.

Open in App
Solution

Condition of tangency gives l2+m2=1/a2 and hence the point (l,m) lies on the circle x2+y2=1/a2.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Tangent to a Circle
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon