Get expert advice and insights on any topic with IDNLearn.com. Our community is ready to provide in-depth answers and practical solutions to any questions you may have.

Perform the operations and simplify:

[tex]\[ \frac{\sqrt{15 x^6}}{\sqrt{5 x^5}} \cdot \sqrt{3 x^3} \][/tex]

A. [tex]\(\sqrt{9 x^4}\)[/tex]

B. [tex]\(9 x^4\)[/tex]

C. [tex]\(3 x^2\)[/tex]

D. [tex]\(3 x \sqrt{x^3}\)[/tex]


Sagot :

Sure, let's break down the expression step-by-step using the appropriate algebraic rules for simplifying square roots and fractions.

We need to simplify the expression:
[tex]\[ \frac{\sqrt{15 x^6}}{\sqrt{5 x^5}} \cdot \sqrt{3 x^3} \][/tex]

### Step 1: Simplify the Square Roots

1. Simplify [tex]\(\sqrt{15 x^6}\)[/tex]:
[tex]\[ \sqrt{15x^6} = \sqrt{15} \cdot \sqrt{x^6} \][/tex]
Since [tex]\(\sqrt{x^6} = x^3\)[/tex], we get:
[tex]\[ \sqrt{15 x^6} = \sqrt{15} \cdot x^3 \][/tex]

2. Simplify [tex]\(\sqrt{5 x^5}\)[/tex]:
[tex]\[ \sqrt{5 x^5} = \sqrt{5} \cdot \sqrt{x^5} \][/tex]
Since [tex]\(\sqrt{x^5} = x^{5/2}\)[/tex], we get:
[tex]\[ \sqrt{5 x^5} = \sqrt{5} \cdot x^{5/2} \][/tex]

### Step 2: Divide the Numerator by the Denominator

Now, we divide [tex]\(\sqrt{15 x^6}\)[/tex] by [tex]\(\sqrt{5 x^5}\)[/tex]:
[tex]\[ \frac{\sqrt{15 x^6}}{\sqrt{5 x^5}} = \frac{\sqrt{15} \cdot x^3}{\sqrt{5} \cdot x^{5/2}} \][/tex]

We can simplify this further by separating the constants and the variables:
[tex]\[ \frac{\sqrt{15}}{\sqrt{5}} \cdot \frac{x^3}{x^{5/2}} \][/tex]

Simplify [tex]\(\frac{\sqrt{15}}{\sqrt{5}}\)[/tex]:
[tex]\[ \frac{\sqrt{15}}{\sqrt{5}} = \sqrt{\frac{15}{5}} = \sqrt{3} \][/tex]

Simplify [tex]\(\frac{x^3}{x^{5/2}}\)[/tex]:
[tex]\[ \frac{x^3}{x^{5/2}} = x^{3 - 5/2} = x^{6/2 - 5/2} = x^{1/2} \][/tex]

Putting it together, we have:
[tex]\[ \frac{\sqrt{15 x^6}}{\sqrt{5 x^5}} = \sqrt{3} \cdot x^{1/2} = \sqrt{3x} \][/tex]

### Step 3: Multiply by [tex]\(\sqrt{3 x^3}\)[/tex]

Now, multiply the result by [tex]\(\sqrt{3 x^3}\)[/tex]:
[tex]\[ \sqrt{3x} \cdot \sqrt{3 x^3} \][/tex]

Combine the square roots:
[tex]\[ \sqrt{3x \cdot 3x^3} = \sqrt{9x^4} \][/tex]

Simplify the square root:
[tex]\[ \sqrt{9 x^4} = 3 x^2 \][/tex]

### Final Answer
The simplified form of the expression [tex]\(\frac{\sqrt{15 x^6}}{\sqrt{5 x^5}} \cdot \sqrt{3 x^3}\)[/tex] is:
[tex]\[ 3 x^2 \][/tex]
We appreciate every question and answer you provide. Keep engaging and finding the best solutions. This community is the perfect place to learn and grow together. For clear and precise answers, choose IDNLearn.com. Thanks for stopping by, and come back soon for more valuable insights.