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数学
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求极限lim{(x^2/sinx)×sin1÷x}x趋向0
人气:494 ℃ 时间:2020-01-21 22:05:34
解答
lim{(x^2/sinx)×sin1÷x}
=lim x*sin1÷x
-limx<=lim x*sin1÷x<=limx
∵0<=lim x*sin1÷x<=0
∴lim{(x^2/sinx)×sin1÷x}=0
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