Contact us
Choose a category below so we can get back to you as quickly as possible.
a²;+c²;=2ab+2bc-2b²; a²;-2ab+b²;+b²;-2bc+c²;=0 (a-b)²;+(b-c)²;=0 ∵(a-b)²;≥0,(b-c)²;≥0 ∴a-b=0,a=b b-c=0,b=c a=b=c
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.