a2+ b2 + c2+= 90 and a+b+c= 20 find ab+bc+ca
Answers
Answered by
3
HOPE IT IS USEFUL FOR YOU P
PLZ MARK AS BRAINLIST
PLZ MARK AS BRAINLIST
Attachments:
![](https://hi-static.z-dn.net/files/d0f/7eb0d61da4643fa2b1f7b370792ce683.jpg)
balor1916:
thank you
Similar questions