CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

A(t2,2t),B(1t2,2t)ands(1,0),then1SA+1SBisequalto

A
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
12
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
15
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D 1
A=(t2,2t)

B=(1t2,2t)

S=(1,0)

Distance formula=(x2x1)2+(y2y1)2

SA=(t21)2+(2t0)2

=t4+12t2+4t2

=t4+1+2t2

=(t2+1)2

SA=t2+1

SB=(1t21)2+(2t0)2

=1t4+12t2+4t2

=1t4+1+2t2

=(1t2+1)2

=1t2+1

SB=1+t2t2

Now 1SA+1SB

=1t2+1+t21+t2=1+t21+t2=1.

flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon