Question

Find the value of 'p' if px + 4y-3=0 and x+2y+4=0 areparallel lines ?​

Answer 1

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Answer 2

px+4y-3=0 & x+2y+4=0 are parallel lines

so, $\frac{a1}{a2} = \frac{b1}{b2} \neq \frac{c1}{c2}$

a1 = p; a2 = 1, b1 = 4; b2 = 2, c1 = -3; c2 = 4

$\frac{p}{1} = \frac{4}{2} \neq \frac{-3}{4}$

$\frac{p}{1} = \frac{4}{2}$

 p  = 2