Question

a square + b square + c square what is that

Answer 1

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

Answer 2

Answer:

a² + b² + c² = (a+b+c)² - 2(ab + bc + ca) The actual formula is. (a+b+c)² = a² + b² + c² +2( ab + bc + ca) You can get this simple formula by multiplying (a+b +c) with (a+b+c).