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

If A is a skew-symmetric matrix and n is an even natural number, write whether An is symmetric or skew-symmetric or neither of these two.

Open in App
Solution

If A is a skew-symmetric matrix, then AT=-A.AnT=ATn For all nNAnT=-An AT=-A AnT=-1n AnAnT=An, if n is even or -An, if n is odd.

Hence, An is symmetric when n is an even natural number.

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