Question

for what value of P the pair of equation 3 X + 4 Y + 2 is equals to zero and 9 X + 12 Y + b is equals to zero represent coincident lines
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Answer 1

Wrong Question .

Correct question :- For what value of P the pair of equation 3 X + 4 Y + 2 is equals to zero and 9 X + 12 Y + P is equals to zero represent coincident lines.