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If f(x)=int(x^8+4)/(x^4-2x^2+2)dx and f(...

If `f(x)=int(x^8+4)/(x^4-2x^2+2)dx` and `f(0)=0,t h e n` (a)`f(x)` is an odd function (b)`f(x)` has range `R` (c)`f(x)` has at least one real root (d)`f(x)` is a monotonic function.

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