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Let e be the eccentricity of a hyperbola...

Let e be the eccentricity of a hyperbola and f(e) be the eccentricity of its conjugate hyperbola then `int_0^2 fff....f(e) n times de` is equal to A) `2sqrt(2)` if n is odd B) 4 if n is odd C) `2sqrt2` if n is even D)3 if n is even

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