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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∈ |
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Answer» 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∈ |
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