wiz-icon
MyQuestionIcon
MyQuestionIcon
2
You visited us 2 times! Enjoying our articles? Unlock Full Access!
Question

If A=⎡⎢⎣11−12−343−23⎤⎥⎦, B=⎡⎢⎣−1−2−161265105⎤⎥⎦ and C=⎡⎢⎣−1−1122−2−3−33⎤⎥⎦,
which if the following are null matrices ?

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

The correct options are
A CA
B AB
Given A=111234323, B=12161265105 and C=111222333

CA=111222333111234323=000000000=O

AB=11123432312161265105=000000000=O

BA=12161265105111234323=8710484260403550O

AC=111234323111222333=444202020161616O

Hence, options A and B.

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