Contact us
Choose a category below so we can get back to you as quickly as possible.
x趨於0- 則1/x趨於-∞ 則顯然sin(1/x)在[-1,1]震盪 所以極限不存在 同理 x趨於0+ 則1/x趨於+∞ 則sin(1/x)也在[-1,1]震盪 所以極限也不存在
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.