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The condition for which the pair of equations $ax + 2y = 7$ and $3x + by = 16$ represent parallel lines is :
- (a)$ab = \frac{7}{16}$
- (b)$ab = 3$
- (c)$ab = 6$
- (d)$ab = 2$
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(b) $ab = 6$
The condition for which the pair of equations ax + 2y = 7 and 3x + by = 16 represent parallel lines is :
CBSE Class 10 Maths PYQ · Linear Equations · Types of solutions · 1 Mark · July 2023 · Standard
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