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Question

The condition for three lines a1x+b1y+c1=0, a2x+b2y+c2=0 and a3x+b3y+c3=0 , to be concurrent is

∣∣ ∣∣a1b1c1a2b2c2a3b3c3∣∣ ∣∣=0


A

True

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B

False

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