CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Let L1 be a straight line passing through the origin and L2 be the straight line x + y=1. If the intercepts made by the circles x2+y2x+3y=0 on L1 and L2 are equal then which of the following equations can represent L1?


A
x+y=0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
x-y=0
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
7x-y=0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
x-7y=0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B x-y=0

Length of the chord =r2d2

=1042

Let y = mx is chord through origin

Length of chord
2=2 104(m2+32m2+1)2
(m+3)2=8(m2+1)m=1,=17
line equation is y=x(or)7x+y=0


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Chords and Pair of Tangents
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon