Question

a^2+b^2+c^2-ab-bc-ca is equal​

Answer 1

Answer:

Corollaries: (i) If a, b, c are real numbers then (a – b)2, (b – c)2 and (c – a)2 are positive as square of every real number is positive. So, a2 + b2 + c2 – ab – bc – ca is always positive.

Answer 2

Answer:

It is equal to ( a - b - c ) ^2

hope it helps.

please mark it as brainliest answer.