If a+b+c=9 and ab+bc+ca=24, find a^2+b^2+c^2
Answers
Answered by
2
Answer:
(a+b+c)² = a² + b² + c² + 2(ab+bc+ca)
9² = a² + b² + c² + 2(24)
81 = a² + b² + c² + 48
81-48 = a² + b² + c²
33 = a² + b² + c²
Step-by-step explanation:
wajida5684:
Thank you
Similar questions