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Question no. 2
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a) 5x - 4y + 8 = 0
7x + 6y - 9 = 0
a1/a2 = 5/7
b1/b2 = 4/6
a1/a2 ≠ b1/b2
So, the pair of equations have a unique solution.
Therefore, the pair is CONSISTENT
b) Similarly,
a1/a2 =9/27
b1/b2 = 3/9
c1/c2 = 12/36
a1/a2 = b1/b2 = c1/c2
So, the pair of equations have infinite solutions.
Therefore, the pair is CONSISTENT.
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