Question

Find the value of a+b+c, if a2 +b2 +c2 = 45 and ab + bc+ac=2.​

Answer 1

Answer:

± 7

Step-by-step explanation:

a² + b² + c² = 45

ab + bc + ac = 2

(a + b + c)² = a²+b²+c² +2(ab + bc+ac)

(a + b + c)² = 45 +4

(a + b + c)² = 49

a + b + c = √49 = ± 7

Answer 2

Answer:

thank you for answer

Step-by-step explanation:

thank you