If A=(3 x 0 1) and B=(9 -16 0 -y),find x and y when A2 = B.
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Answer:
x = -8 and y = -2
Step-by-step explanation:
A2=B
(3 x 0 1) * 2 = (9 -16 0 -y)
(6 2x 0 2) = ( 9 -16 0 -y)
equating LHS & RHS
2x = -16. & 2 = -y
x = (-16/2) & y= -2
x = -8
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