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Finn følgende grenseverdier

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$\\lim\\limits_{x\\rightarrow\\var{g1}}\\simplify{{a}x^2+{b}x+{c}}=$

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$\\lim\\limits_{x\\rightarrow\\frac{\\pi}{\\var{k}}}\\simplify{{a} sin(x)}=$

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$\\lim\\limits_{x\\rightarrow\\var{g2}}\\dfrac{\\simplify{{a}x^2-{a*(b+c)}x+{a*b*c}}}{\\simplify{x-{d}}}$

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