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Math Chapter Wise question with answer

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Question #49,524
Math Chapter Wise Conic Section English MCQ PGT 2004

Q.If (a secθ, b tanθ) and (a sec φ, b tan φ) are the co-ordinates of the ends of a focal chord of hyperbola 2 2 1 x y a b − = − =, then tan 2 θ. tan 2 φ will be equal to

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