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

Let `f` be a positive function. Let `I_1=int_(1-k)^k xf([x(1-x)])dx ,` `I_2=int_(1-k)^kf[x(1-x)]dx ,w h e r e2k-1> 0. T h e n(I_1)/(I_2)i s` 2 (b) `k` (c) `1/2` (d) 1

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