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If A(θ) and B(ϕ) are the parametric ends of a focal chord of x2144−y225=1, then the maximum value of ∣∣∣tanθ2tanϕ2∣∣∣ is

Answer» If A(θ) and B(ϕ) are the parametric ends of a focal chord of x2144y225=1, then the maximum value of tanθ2tanϕ2 is


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