PRACTICE QUESTIONS ON OPERATION OF MATRICES

Question 1 :

If A = 

then verify that

(i) A + B = B + A (ii) A + (−A) = (−A) + A = O.         Solution

Question 2 :

If 

then verify that A + (B + C) = (A + B) + C.             Solution

Question 3 :

Find X and Y if

Solution

Question 4 :

find the value of (i) B - 5A (ii) 3A - 9B

Solution

Question 5 :

Find the values of x, y, z if

Solution

Question 6 :

Find x and y if 

Solution

Question 7 :

Find the non-zero values of x satisfying the matrix equation

Solution

Question 8 :

Solve for x, y :

Solution

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