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## Question

### Solution

Correct option is

We have

.

#### SIMILAR QUESTIONS

Q1

If A and B are two non-zero square matrices of the same order such that the product AB = O, then

Q3

If A and B are two square matrices such that B = –A–1 BA, then (A + B)2 is equal to

Q5

The value of x for which the matrix  is inverse of  is

Q6
Q7

If A is a 3 × 3 skew-symmetric matrix, then trace of A is equal to

Q8

, is equal to

Q9

, then is equal to