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Select the correct answer.

What is the correct radical form of this expression?

[tex]\left(32 a^{10} b^{\frac{5}{2}}\right)^{\frac{2}{5}}[/tex]

A. [tex]\sqrt[5]{\left(32 a^{10} b^{\frac{5}{2}}\right)^2}[/tex]

B. [tex]\sqrt{\left(32 a^{10} b^{\frac{5}{2}}\right)^5}[/tex]

C. [tex]\sqrt{\left(32 a^{10} b^{\frac{5}{2}}\right)^{\frac{2}{5}}}[/tex]

D. [tex]\sqrt{\left(32 a^{10} b^{\frac{5}{2}}\right)^{\frac{1}{5}}}[/tex]

Sagot :

To convert the expression [tex]\(\left(32 a^{10} b^{\frac{5}{2}}\right)^{\frac{2}{5}}\)[/tex] into its radical form, we need to understand the relationship between exponents and radicals. The general rule is that an expression of the form [tex]\(x^{\frac{m}{n}}\)[/tex] can be rewritten as a radical [tex]\(\sqrt[n]{x^m}\)[/tex].

Given the expression:
[tex]\[ \left(32 a^{10} b^{\frac{5}{2}}\right)^{\frac{2}{5}} \][/tex]

Let's identify the values of [tex]\(m\)[/tex] and [tex]\(n\)[/tex] in this expression:
- [tex]\(x = 32 a^{10} b^{\frac{5}{2}}\)[/tex]
- [tex]\(m = 2\)[/tex]
- [tex]\(n = 5\)[/tex]

Applying the rule [tex]\(x^{\frac{m}{n}} = \sqrt[n]{x^m}\)[/tex], we can rewrite the expression as:
[tex]\[ \sqrt[5]{\left(32 a^{10} b^{\frac{5}{2}}\right)^2} \][/tex]

Now let's match this with the given answer choices:

A. [tex]\(\sqrt[5]{\left(32 a^{10} b^{\frac{5}{2}}\right)^2}\)[/tex]
B. [tex]\(\sqrt{\left(32 a^{10} b^{\frac{5}{2}}\right)^5}\)[/tex]
C. [tex]\(\sqrt{\left(32 a^{10} b^{\frac{5}{2}}\right)^{\frac{2}{5}}}\)[/tex]
D. [tex]\(\sqrt{\left(32 a^{10} b^{\frac{5}{2}}\right)^{\frac{1}{5}}}\)[/tex]

The correct answer is clearly:
A. [tex]\(\sqrt[5]{\left(32 a^{10} b^{\frac{5}{2}}\right)^2}\)[/tex]