Question

Evaluate a^x-y.a^y-z.a^z-x

Answer 1

Answer:

1

Step-by-step explanation:

$a^{x-y} . a^{y-z} . a^{z-x}$

by rules of exponent

$a^{x-y} - ^{y-z} = a^{x-z} \\a^{x-z} . a^{z-x} = a^{x-z} - ^{z-x} \\a^0 = 1$

since anything power zero = 1