1.

If `A`is a singular matrix, then adj `A`isa. singularb. non singularc. symmetric d.not definedA. non-sigularB. singularC. symmetricD. not defined

Answer» Correct Answer - B
We have, `absA=0.
Let A be a square matrix of order n. Then,
`abs(adjA)abs(A)^(n-1)`
`rArr abs(adjA)=0`
`rArr " adj A is a singular matrix."`


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