1.

Form point P(8,27), tangent PQ and PR are drawn to the ellipse x24+y29=1.If the angle subtended by QR at origin is ϕ, then tanϕ=

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Form point P(8,27), tangent PQ and PR are drawn to the ellipse x24+y29=1.If the angle subtended by QR at origin is ϕ, then tanϕ=



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