Simplify the expression:

[tex]\[
\left(x^5 y^2\right)\left(x^{-6} y\right)
\][/tex]

A. [tex]\(\frac{y^3}{x}\)[/tex]

B. [tex]\(x^{-1} y^3\)[/tex]

C. [tex]\(x^{11} y^3\)[/tex]



Answer :

To simplify the expression

[tex]\[ (x^5 y^2) (x^{-6} y) \][/tex]

we can follow several steps. Here are the details:

1. Combine the powers of [tex]\(x\)[/tex]:

When multiplying terms with the same base, you add the exponents. Therefore, we combine the powers of [tex]\(x\)[/tex]:

[tex]\[ x^5 \cdot x^{-6} \][/tex]

Adding the exponents [tex]\(5\)[/tex] and [tex]\(-6\)[/tex] gives us:

[tex]\[ x^{5 + (-6)} = x^{-1} \][/tex]

2. Combine the powers of [tex]\(y\)[/tex]:

Similarly, we combine the powers of [tex]\(y\)[/tex]:

[tex]\[ y^2 \cdot y \][/tex]

Adding the exponents [tex]\(2\)[/tex] and [tex]\(1\)[/tex] gives us:

[tex]\[ y^{2 + 1} = y^3 \][/tex]

3. Multiply the simplified parts:

Putting it all together, we have:

[tex]\[ x^{-1} y^3 \][/tex]

4. Express in the given choices format:

[tex]\(\displaystyle x^{-1}\)[/tex] can be rewritten as [tex]\(\displaystyle \frac{1}{x}\)[/tex]. Thus, the expression [tex]\(\displaystyle x^{-1} y^3\)[/tex] is equivalent to:

[tex]\[ \frac{y^3}{x} \][/tex]

Hence, the correct simplification of the expression [tex]\(\left(x^5 y^2\right)\left(x^{-6} y\right)\)[/tex] is:

[tex]\[ \boxed{\frac{y^3}{x}} \][/tex]