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

|a×b| if a=^i7^j+7^k and b=3^i2^j+2^k

Open in App
Solution

¯aׯb=∣ ∣ ∣i¯j¯¯¯k177322∣ ∣ ∣
=i(14+14)j(221)+¯k(2+21)
=19j+19¯k
|¯aׯb|=192+192=192

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