Q. 85.0( 1 Vote )

# Solve for</

Answer :

given   Equating each element of the matrix equation with corresponding element

x2 + 6x = – 9

x2 + 6x + 9 = 0

x( x + 3) + 3(x + 3) = 0

(x + 3) (x + 3) = 0

x = – 3 , – 3

y2 – 3y = 4

y2 – 3y – 4 = 0

y( y – 4) + 1( y – 4) = 0

(y + 1) (y – 4) = 0

y = – 1 or 4

Hence the values of x = – 3, – 3 and y = – 1 , 4

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