wiz-icon
MyQuestionIcon
MyQuestionIcon
4
You visited us 4 times! Enjoying our articles? Unlock Full Access!
Question

The area of triangle formed by the tangents at the points t1,t2,t3 on the parabola y2=4ax

A
a2|(t1t2)(t2t3)(t3t1)|
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
2a2|(t1t2)(t2t3)(t3t1)|
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
a22|(t1t2)(t2t3)(t3t1)|
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
a2|t1t2t3|
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C a22|(t1t2)(t2t3)(t3t1)|
Three points are: (at21,2at1),(at22,2at2),(at23,2at3)
A=12∣ ∣ ∣at122at11at222at21at322at31∣ ∣ ∣=a22|(t1t2)(t2t3)(t3t1)|

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