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Let f: R->R be a function defined by f(...

Let `f: R->R` be a function defined by `f(x)={[x],(xlt=2) \ \ (0,x >2)` where `[x]` is the greatest integer less than or equal to `xdot` If `I=int_(-1)^2(xf(x^2))/(2+f(x+1))dx , then \ the \ value \ of \ (4I-1)i s`

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