Contact us
Choose a category below so we can get back to you as quickly as possible.
設方程x2+kx+6=0的兩根分別為a、b,則方程x2-kx+6=0的兩根分別為a+5,b+5,根據題意得a+b=-k,a+5+b+5=k,所以10-k=k,解得k=5.故答案為:5.
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.