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    				| 1. | 
                                    Let f(x)=|x−2| and g(x)=f(f(x)), x∈[0,4]. Then ∫30(g(x)−f(x))dx equal to | 
                            
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Answer»  Let f(x)=|x−2| and g(x)=f(f(x)), x∈[0,4]. Then ∫30(g(x)−f(x))dx equal to  | 
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