Mathematics

Mathematics

Problem

Let g(x)=xx−1⋅2x+2⋅5x−1x2−9.g(x)=\frac{x}{x-1}\cdot\frac{2}{x+2}\cdot\frac{5x-1}{x^{2}-9}. The domain of gg is a) R∖{−3,−2,3}\mathbb R\setminus\{-3,-2,3\} b) R∖{−3,−2,0,15,1,3}\mathbb R\setminus\{-3,-2,0,\tfrac15,1,3\} c) R∖{−3,−2,1,3}\mathbb R\setminus\{-3,-2,1,3\} d) R∖{−3,−2,−1,1,3}\mathbb R\setminus\{-3,-2,-1,1,3\}

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