Contact us
Choose a category below so we can get back to you as quickly as possible.
1/x=2kπ+π/2時,k>=0為整數 即x=1/(2kπ+π/2)--->0時, y=2kπ+π/2--->+∞, 囙此x-->0時,函數無界. x-->+∞時,|y|=(1/x)|sin(1/x)|0,囙此x趨於正無窮時,函數趨於0.
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.