wiz-icon
MyQuestionIcon
MyQuestionIcon
27
You visited us 27 times! Enjoying our articles? Unlock Full Access!
Question

The area of the parallelogram when adjacent sides are given by the vectors A = ^i + 2^j + 3^k and B = 2^i 3^j + ^k is.

A
4195sq unit
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
0.0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
195 sq unit
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
195sq unit
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D 195sq unit

We know that the area of the parallelogram is equal to the magnitude of the cross product of given vectors.

Now,
A×B=∣ ∣ ∣^i^j^k123231∣ ∣ ∣=^i(2+9)+^j(61)+^k(34)=11^i+5^j7^kSo area of parallelogram :|A×B|=112+52+(7)2=195sq.unit


flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Vector Components
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon