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If the system of equations, a^(2) x - ay...

If the system of equations, `a^(2) x - ay = 1 - a` and bx + (3-2b) y = 3 + a possess a unique solution x = 1 , y = 1 , then

A

a = 1 , b = - 1

B

a = -1 , b = 1

C

a = 0 , b= 0

D

None of these

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The correct Answer is:
A,B
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