Q7 of 108 Page 100

For what values of

Multiplying matrices on the left hand side

L.H.S =



= [6.0 + 2.2 + 4.x]


= [4 + 4x]


R.H.S = O (Ois the null matrix)


= 0


∴ L.H.S = R.H.S, so we get,


[4+4x] = O


4 + 4x = 0


4x = -4


x = -1


Hence value of x is equal to -1.


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