MathematicsMedium128×since 2002Q5553If p and q are the lengths of the perpendiculars from the origin on the lines, x cosec α\alphaα −-− y sec α\alphaα = k cot 2α\alphaα and x sinα\alphaα + y cosα\alphaα = k sin2α\alphaα respectively, then k² is equal to :A4p² + q²B2p² + q²Cp² + 2q²Dp² + 4q²Check answerSkip