Questions
If A is singular matrix, then adj A is
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a
singular
b
non-singular
c
symmetric
d
not defined
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Correct option is A
Since A is singular __|A|=0|adjA|=|A|n−1|adjA|=0n−1∣ adj A∣=0⇒AdjA is singularSimilar Questions
Let be a square matrix of order such that , then equals
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