Question

a+b+c=9 and ab+bc+ca=24 find a2+ b2 +c2​

Answer 1

Answer:

a + b + c = 9

⇒ (a + b + c)2 = (9)2

⇒ a2 + b2 + c2 + 2ab + 2bc + 2ca = 81

⇒ a2 + b2 + c2 + 2(ab + bc + ca) = 81

⇒ a2 + b2 + c2 + 2 × 24 = 81

⇒ a2 + b2 + c2 = 81 - 48

⇒ a2 + b2 + c2 = 33

Step-by-step explanation:

please mark me as brainiest answer and follow me on brainly pleaseeeeeee

Answer 2

Answer:

hope it will help you

mark me as brainliest