Question

if a+ b+ c =8 ab+bc +ac=13 find the value of a2+b2+c2​

Answer 1

Explanation:

(a+b+c)²= a²+b²+c²+2(ab+bc+ca)

8² = a²+b²+c² + 2(13)

a²+b²+c² = 64-26 = 38

Answer 2

Answer:

answer is 38

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