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问题及解答

求极限 limx0secxcosxx2.

Posted by haifeng on 2023-10-11 23:28:21 last update 2023-10-11 23:28:21 | Edit | Answers (1)

求极限 limx0secxcosxx2.

1

Posted by haifeng on 2023-10-11 23:33:09

limx0secxcosxx2=limx01cosx(1cos2x)x2=limx0sin2xx2=limx0x2x2=1.