Question

If px +2y -4=0 and 2x +4y -12= 0 are equations of parallel lines.
Find the value of 'p'
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Answer 1

Answer:

1st equation when multiplied by 2 we get,

2px+4y-8=0

as slope are equal for parellel lines.

2p=2

p=1

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Answer 2

Answer:

the value of p will be 1 because the equation is of parallel lines and it will have no real roots or it is inconsistent..