wiz-icon
MyQuestionIcon
MyQuestionIcon
3
You visited us 3 times! Enjoying our articles? Unlock Full Access!
Question

lf (241k) is an nilpotent matrix of index 2, then k=

A
3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is C 2
Order of matrix is 2, so square of given matrix will be zero:

(241k)×(241k)=(08+4k2k4+k2)=(0000)

By comparing, we can say that k=2


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Finding Inverse Using Elementary Transformations
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon