If a square+b square+c square=250 and ab+bc+ca=3,find a+b+c
Answers
Answered by
1
Answer:
use formula
(a+b+c)^2=a^2+b^2+c^2+2(ab+BC+aC)
=250+2×3
=256
pannubatala111p1zir5:
it is incomplete answer
Similar questions