Contact us
Choose a category below so we can get back to you as quickly as possible.
|x-y|^2=(x-y)^2=(x+y)^2-4xy=3*3-4*(-10)=9+40=49 |x-y|=7
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.