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polet [3.4K]
4 years ago
9

Which is equivalent to after it has been simplified completely? Assume n ≠ 0. PICTURE BELOW

Mathematics
2 answers:
Colt1911 [192]4 years ago
8 0

Answer:

Option B

Step-by-step explanation:

Given is a term under square root sign.

Inside square root is given a rational function in n as

\frac{60n^{11} }{256n^{4} }

Simplify constant terms and n terms separately to get

=\frac{15n^7}{64} \\=\frac{n^3}{8} \sqrt{15n}

Out of the four options option 2 matches with this.

Hence correct answer is option B.

Marysya12 [62]4 years ago
7 0

We have been given an expression \sqrt{\frac{60n^{11}}{256n^4}}. We are asked to simplify our given expression.  

First of all, we will simplify the expression inside radical as:

\sqrt{\frac{15n^{11}}{64n^4}}

Using exponent property \frac{a^b}{a^c}=a^{b-c}, we will get:  

\sqrt{\frac{15n^{(11-4)}}{64}          

\sqrt{\frac{15n^{7}}{64}

Now we will use exponent property \sqrt{\frac{a^b}{a^c}}=\frac{\sqrt{a^b}}{\sqrt{a^c}}.

\frac{\sqrt{15n^7}}{\sqrt{64}}

\frac{\sqrt{15n\cdot n^6}}{\sqrt{8^2}}

\frac{\sqrt{15n\cdot (n^3)^2}}{\sqrt{8^2}}

Now we will bring out perfect squares from radical as:

\frac{n^3\sqrt{15n}}{8}

Therefore, simplified form of our given expression would be \frac{n^3\sqrt{15n}}{8} and option B is the correct choice.

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