Answer:4yz²
Step-by-step explanation:When dividing fractions, we convert the division into multiplication and flip the second fraction.
Therefore, for the given we have:

Now, when multiplying fractions, we multiply the numerators together and the denominators together.
Therefore, for the given we can compute the product as follows:

Simplifying the above product, we would end up with 4yz²
Hope this helps :)