Q12 of 124 Page 167

If and find a matrix C such that (A + B + C) is a zero matrix.


Given A+B+C is zero matrix i.e A+B+C = 0





Conclusion:


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10

If and find a matrix C such that A + B – C = O.

 11

Find the matrix X such that 2A – B + X = O,

where and


13

If A = diag [2, -5, 9], B = diag [-3, 7, 14] and C = diag [4, -6, 3], find:

(i) A + 2B


(ii)B + C – A


 14

Find the value of x and y, when

i.