Contact us
Choose a category below so we can get back to you as quickly as possible.
方程1/2mx^2-1/2nx+1999=0的兩個根之積x1x2=(1999*2)/m 1999和2都是質數,不能再分解,所以m=1,兩根為21999 所以x1+x2=n/m=2001,n=2001 6m^2+n-1==2006
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.