Q. 155.0( 4 Votes )

If <span lang="EN

Answer :

Given two matrices are equal.


We know that if two matrices are equal then the elements of each matrices are also equal.


2x + 1 = x + 3 …… (1)


2x – x = 3 – 1


x = 2


And 5x = 10 …… (2)


y2 + 1 = 26…… (3)


y2 = 26 – 1


y2 = 25


y = 5 or – 5


x = 2, y = 5 or – 5


x + y = 2 + 5 = 7


Or x + y = 2 – 5 = – 3


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