Using properties of exponents,

How did we get the value?
Let's simplify the expression using the properties of exponents:

First, apply the reciprocal property of exponents
:

Apply the power of a quotient property of exponents
:

Square the numerator and denominator:

When you divide by a fraction, it's equivalent to multiplying by its reciprocal:
is the same as

Simplify further:

Now, subtract the exponents in the numerator:


So,
