Question

The graph of a pair of linear equations in two variables is parallel, the equations are

Answer 1

$\frac{a1}{a2} = \frac{b1}{b2} \: \: \ \: \: \: \: \: \: \: \: \: \: not \: equal \: to \: \: \: \: \: \: \: \frac{c1}{c2}$

Therefore ,,,,,

( i ) 2x + 3y = 9

4x + 6y = 4

( ii ) 6x - 9y = 15

36x - 54y = 13

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