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lim-x-1-1-x-x-2-x-3-up-to-lim-x-1-1-x-x-2-x-3-up-to-




Question Number 26722 by prakash jain last updated on 28/Dec/17
lim_(x→−1^+ ) (1+x+x^2 +x^3 +...up to ∞)=?  lim_(x→−1^− ) (1+x+x^2 +x^3 +...up to ∞)=?
$$\underset{{x}\rightarrow−\mathrm{1}^{+} } {\mathrm{lim}}\left(\mathrm{1}+{x}+{x}^{\mathrm{2}} +{x}^{\mathrm{3}} +…\mathrm{up}\:\mathrm{to}\:\infty\right)=? \\ $$$$\underset{{x}\rightarrow−\mathrm{1}^{−} } {\mathrm{lim}}\left(\mathrm{1}+{x}+{x}^{\mathrm{2}} +{x}^{\mathrm{3}} +…\mathrm{up}\:\mathrm{to}\:\infty\right)=? \\ $$

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