class 11 Math Co-ordinate Geometry Straight Lines

The lines $p(p_{2}+1)xy+q=0$and$(p_{2}+1)_{2}x+(p_{2}+1)y+2q=0$areperpendicular to a common line for

(a)

no value of p

(b)

exactly one value of p

(c)

exactly two values of p

(d)

more than two values of p

Similar topics

straight lines

parabola

conic sections

circles

ellipse

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