Question

I need this 3 answer I will give 18 points​

Answer 1

Answer:

a²+b²+c² = 3²+3²+3² = 27

Step-by-step explanation:

Let a, b, and c be x

therefore, x + x + x = 9

3x = 9

x = 9/3 = 3

Now, ab +bc +ac = 27

Verification :- 3×3 +3×3 +3×3 = 9 +9 +9 = 27

therefore,LHS = RHS

hence, a²+b²+c² = 3²+3²+3² = 27

hope these answer may help you...

Answer 2

Answer:a²+b²+c² = 3²+3²+3² = 27

Step-by-step explanation:

Let a, b, and c be x

therefore, x + x + x = 9

3x = 9

x = 9/3 = 3

Now, ab +bc +ac = 27

Verification :- 3×3 +3×3 +3×3 = 9 +9 +9 = 27

therefore,LHS = RHS

hence, a²+b²+c² = 3²+3²+3² = 27

hope these answer may help you...

Step-by-step explanation: