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

If a=4^i+6^j and b=3^j+4^k, then the vector form of the component of a along b is

A
18(3^j+4^k)103
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
18(3^j+4^k)25
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
18(3^j+4^k)13
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
3^j+^k
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 18(3^j+4^k)25
Vector form of the component of a along b is
(a.b)b|b2|=[(4^i+6^j).(3^j+4^k)](3^j+4^k)|3^j+4^k|2=(0+18+0)(3^j+4^k)9+16=1825(3^j+4^k).

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