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Question Number 42780 by maxmathsup by imad last updated on 02/Sep/18
![find lim_(x→0^+ ) (([(x+1)^2 ] −[(2x+1)^2 ])/x)](Q42780.png)
$${find}\:{lim}_{{x}\rightarrow\mathrm{0}^{+} } \:\:\:\:\:\:\:\frac{\left[\left({x}+\mathrm{1}\right)^{\mathrm{2}} \right]\:−\left[\left(\mathrm{2}{x}+\mathrm{1}\right)^{\mathrm{2}} \right]}{{x}} \\ $$