Let the function Δ(x, y, z) = xyz − x^2y^2z^2
Evaluate Δ(2, −1, 1).
A) −12
B) −6
C) 0
D) 8
E) 16
Substitute in the numbers for the letters to get:
2 * -1 * 1 - (2^2)(-1^2)(1^2) =
-2 - (4)(1)(1)
-2 -4 = -6
Substitute in the numbers for the letters to get:
2 * -1 * 1 - (2^2)(-1^2)(1^2) =
-2 - (4)(1)(1)
-2 -4 = -6