if-a-b-c-d-Z-b-a-c-a-d-a-c-b-d-b-d-c-prove-that-the-expression-is-divide-into-12-

Question Number 150684 by mathdanisur last updated on 14/Aug/21

if a; b; c; d \in Z

(b - a) (c - a) (d - a) (c - b) (d - b) (d - c)

prove that the expression is divide

into 12