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## Question

### Solution

Correct option is

In |A|, the cofactor of  and the cofactor of . Also the cofactor of  and the cofactor of . Therefore the matrix B formed of the cofactor of the elements of |A| is

Now Adj A = the transpose of the matrix

.

#### SIMILAR QUESTIONS

Q1

:

Q2

then the number of solutions of the system of equations

Q5

For what value of k do the following homogeneous system of equations possess a non-trivial solution ?

Q6

Find value of  for which the set of equations

are consistent.

Q7
Q8

Find the product of the matrices

.

Q10

Find the inverse of the matrix .