Question

Formula of a²+b²+c², can you have the answer?????

Answer 1

Here is your answer!

We know that,

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

So,

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

Hope helped!

Answer 2

Step-by-step explanation:

a^2+b^2+c^2=(a+b) (a-b) +c^2

I think this is Wright but not sure