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

If the chords of contact of tangents from the points (x1,y1) and (x2,y2) to the ellipse x2a2+y2b2=1 are at right angles, then x1x2y1y2 is equal to:

A
a2b2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
a2b2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
a4b4
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
a4b4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Join BYJU'S Learning Program
CrossIcon