Question

what is formula of
1/2(a-b)(b-c)(c-a)​

Answer 1

Answer:

Step-by-step explanation:

answer

(a + b + c)^2 = a^2 + b^2 + c^2 + 2(ab + bc + ac) Thus 2(ab + bc + ac) = (a + b + c)^2 - (a^2 + b^2 + c^2)