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If one of the lines given by the equation `2x^2+p x y+3y^2=0` coincide with one of those given by `2x^2+q x y-3y^2=0` and the other lines represented by them are perpendicular, then `p=5` (b) `p=-5` `q=-1` (d) `q=1`

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If one of the lines given by the equation 2x^2+p x y+3y^2=0 coincide with one of those given by 2x^2+q x y-3y^2=0 and the other lines represented by them are perpendicular, then (a) p=5 (b) p=-5 (c) q=-1 (d) q=1

If one of the lines given by the equation 2x^2+p x y+3y^2=0 coincide with one of those given by 2x^2+q x y-3y^2=0 and the other lines represented by them are perpendicular, then (a) p=5 (b) p=-5 (c) q=-1 (d) q=1

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

if one of the lines given by the equation ax^2+2hxy+by^2=0 coincides with one of the lines given by a'x^2+2h'xy+b'y^2=0 and the other lines representted by them be perpendicular , then . (ha'b')/(b'-a')=(h'ab)/(b-a)=1/2sqrt((-aa'bb') .

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If the equation p x^2+(2-q)x y+3y^2-6q x+30 y+6q=0 represents a circle, then find the values of p and q .

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
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