Contact us
Choose a category below so we can get back to you as quickly as possible.
(ax+by)(ax+by)+(bx-ay)(bx-ay)=a²;x²;+abxy+abxy+b²;y²;+b²;x²;-abxy-abxy+a²;y²;=a²;(x²;+y²;)+b²;(x²;+y²;)=(a²;+b²;)(x²;+y 178…
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.