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Let f be a positive function. If I1 = in...

Let `f` be a positive function. If `I_1 = int_(1-k)^k x f[x(1-x)]\ dx` and `I_2 = int_(1-k)^k f[x(1-x)]\ dx,` where `2k-1 gt 0.` Then `I_1/I_2` is

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