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If the function f(x) ={x+1 if x le 1 , ...

If the function `f(x) ={x+1` if `x le 1` , `2x+1` if `1 lt x le 2` and `g(x) = {x^2` if `-1 le x le 2`, `x+2 if 2 le x le 3` then the number of roots of the equation `f(g(x))=2`

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