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Given three straight lines 2x+11 y-5=0,2...

Given three straight lines `2x+11 y-5=0,24 x+7y-20=0,` and `4x-3y-2=0` . Then, a)they form a triangle b)one line bisects the angle between the other two c) two of them are parallel

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CENGAGE ENGLISH-STRAIGHT LINES-All Questions
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  18. Prove that the area of the parallelogram formed by the lines 3x-4y+a=0...

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