来自杜彦芬的问题
极限求解lim[(2/π)arctanx]^x(x趋向于正的无穷大)
极限求解lim[(2/π)arctanx]^x(x趋向于正的无穷大)
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2020-09-15 19:15
极限求解lim[(2/π)arctanx]^x(x趋向于正的无穷大)
极限求解lim[(2/π)arctanx]^x(x趋向于正的无穷大)
x→+∞lim[(2/π)arctanx]^x=lime^ln[(2/π)arctanx]^x=e^limln[(2/π)arctanx]^x考虑limln[(2/π)arctanx]^x=limx*ln[(2/π)arctanx]=limln[1+(2/π)arctanx-1]/(1/x)=lim[(2/π)arctanx-1]/(1/x)该...