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If the function f(x) ={x+1 if x le 1 , 2...

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

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