Mathematics · Conic Sections
मान लीजिए P(a sec θ, b tan θ) और Q(a sec φ, b tan φ) जहाँ θ + φ = π2, अतिपरवलय (hyperbola) x2a2 - y2b2 = 1 पर दो बिंदु हैं। यदि P और Q पर खींचे गए अभिलंबों (normals) के प्रतिच्छेद बिंदु की कोटि (ordinate) -k(a2 + b2a) है, तो k का मान क्या है?
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