answersLogoWhite

0

If the expressions are w, x, y, z then to show that no two of them are equal is shown by(w-x)*(w-y)*(w-z)*(x-y)*(x-z)*(y-z) ≠ 0.


Note that w .ne. x AND x .ne. y AND y .ne. z is not enough since it is possible for x = z.

User Avatar

Wiki User

7y ago

What else can I help you with?