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16 questions
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1. A matrix A is both symmetric and skew symmetric if A is
Null matrix
unit matrix
row matrix
none of these
If A is any invertible matrix then A is
square matrix
non singular matrix
both
none of these
1. Let A be a square matrix of order 3x3 then| kA| = .
k |A|
k2|A|
k3|A|
3k|A|
If A is square matrix of order 3 such that |AdjA| =64 , find |A|
64
8
4
192
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