Question

pls answer this question

Answer 1

Here's your answer

Hope it helps you :-)

Answer 2

Answer:

1

Step-by-step explanation:

$x^-^\frac{1}{2} .y^\frac{1}{2}.y^-^\frac{1}{2}.z^\frac{1}{2}.z^-^\frac{1}{2}.x^\frac{1}{2}$

they cancel each other it becomes 1