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If one of the lines given by the equatio...

If one of the lines given by the equation `2x^(2)+pxy+3y^(2)=0` coincide with one of those given by `2x^(2)+qxy-3y^(2)=0` and the other lines represented by them are perpendicular , then value of `p+q`is

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CENGAGE ENGLISH-STRAIGHT LINES-All Questions
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