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The pair of equations $x = 2a$ and $y = 3b$ ($a, b \neq 0$) graphically represents straight lines which are :
- (a)coincident
- (b)intersecting at $(2a, 3b)$
- (c)parallel
- (d)intersecting at $(3b, 2a)$
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(C) intersecting at $(2a, 3b)$