Question

if x=-2 ,y=-6 and z=-4 find the value of 4xyz

Answer 1

Answer:

-192

Step-by-step explanation:

Hoping it helps you dear

Answer 2

Answer:

Find all real triples (x, y, z) that satisfy x4 + y4 + z4 − 4xyz = −1. Solution: ... as (x2 − y2)2 + ( z2 − 1)2 + 2(xy − z)2 = 0. This equality can ...