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Let f:(−∞,+1]→R, g:[−1,∞)→R be such that f(x)=√1−x and g(x)=√1+x, then f(x)+1g(x) exist if x∈

Answer»

Let f:(,+1]R, g:[1,)R be such that f(x)=1x and g(x)=1+x, then f(x)+1g(x) exist if x



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