Q. 125.0( 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.

x = 3 …… (1)

And 3x – y = 2 …… (2)

And 2x + z = 4 …… (3)

3y – ω = 7 …… (4)

Putting the value of x in equation (2)

3×3 – y = 2

9 – y = 2

y = 9 – 2

y = 7

Now, putting the value of y in equation (4)

3×7 – ω = 7

21 – ω = 7

ω = 21 – 7

ω = 14

Again, Putting the value of x in equation (3)

2×3 + z = 4

6 + z = 4

z = 4 – 6

z = – 2

x = 3, y = 7, z = – 2 and ω = 14

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