if a²+b²+c²=50 and ab+bc+ca=3 find a+b+c
Answers
Answered by
1
Answer:
Here is your answer........
Attachments:

Answered by
4
- a^2+b^2+c^2= 250
- ab+bc+ca= 3
➜put the value of equation to the respective formula
- (a+b+c)^2= 250 +2(3)
- (a+b+c)^2= 250+ 6
- (a+b+c)^2= 256
- a+b+c= squareroot of 256 which is 16
Similar questions