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lim (sin (x/3))/x as x->0
答案是1/3
人气:162 ℃ 时间:2020-10-01 20:25:38
解答
lim (sin (x/3))/x (x趋于0)=lim1/3 (sin (x/3))/(x/3)=1/3lim (sin (x/3))/(x/3)=1/3
因为lim (sin (x/3))/(x/3)=1的
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