Question

if a+b+c=6 ab+bc+ac = 11 find a^2+b^2+c^2

Answer 1

Answer:

your answer is 14

Step-by-step explanation:

(a+b+c)²=a²+b²+c²+2ab+2bc+2ca

(6)²=a²+b²+c²+2(ab+bc+ca)

36=a²+b²+c²+2(11)

36=a²+b²+c²+22

a²+b²+c²=36-22=14

..... hopes this helps you

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