PRACTICE QUESTIONS ON FINDING INVERSE OF MATRIX

Question 1 :

Solution

Question 2 :

Solution

Question 3 :

Solution

Question 4 :

Solution

Question 5 :

Solution

Question 6 :

Solution

Question 7 :

Solution

Question 8 :

Solution

Question 9 :

Solution

Question 10 :

Solution

Question 11 :

Solution

Question 12 :

Solution

Answers :

1)

2)  There is no inverse matrix.

3)

4)  There is no inverse matrix.

5)

6) 

7)

8)  proved

9)  proved

10)

11)  proved

12) proved and A-1 is

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