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# will Be A Null Matrix If And Only If

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## Question

### Solution

Correct option is

#### SIMILAR QUESTIONS

Q1

If a is a 3 × 3 skew summertic matrix with real entries and trace of A2equals zero, then

Q5

If A is 2 × 2 matrix such that A2 = O, then tr (A) is

Q6

such that A satisfies the relation A2 – (a + d)A = O, then inverse of A is

Q9

If A and B are two square matrix of the same order and m is a positive integer, then

Q10

If A and B are two non-singular matrix such that AB = C, then |B| is equal to