The answer is the first one:
bc its not growing by a (-)1/2 and the 3rd one just doesnt make sense
Swapping rows alters the sign of the determinant:

Multiplying a single row by a scalar scales the determinant by the same amount:

Then

Answer:
<h2>Option B is the right answer.</h2>
Step-by-step explanation:
are two irrational numbers, that is, they can not be shown as the fraction of two integers.

is also a irrational number, since it also can not be represented as the fraction of integers.
Hence, the given expression represent the product of two irrational number and is equivalent to an irrational number.
Answer:
4y^3/2
Step-by-step explanation:
The 4 will remain 4 so we'll leave that alone. √y³ can be written as y^3/2. The way I like to remember how to write fractional exponents is that the index of the radical is the denominator of the fractional exponent and the exponent inside the radical is the numerator.