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jasenka [17]
2 years ago
6

Which expression is equivalent to 3 square root 216x^27? 6x3 6x9 72x3 72x9

Mathematics
2 answers:
Oduvanchick [21]2 years ago
7 0

The expression is \boxed{6{x^9}} which is equivalent to \sqrt[3]{{216{x^{27}}}} a perfect cube.Option (b) is correct.

Further Explanation:

Given:

The expression is \sqrt[3]{{216{x^{27}}}}.

The options are as follows,

(a). 6{x^3}

(b). 6{x^9}

(c). 72{x^3}

(d). 72{x^9}

Calculation:

The given expression is \sqrt[3]{{216{x^{27}}}}.

Consider the given expression as A = \sqrt[3]{{216{x^{27}}}}.

Solve the above expression to obtain the simplest form.

\begin{aligned}A&= \sqrt[3]{{216{x^{27}}}}\\&= \sqrt[3]{{{{\left( 6 \right)}^3}{{\left( {{x^9}} \right)}^3}}}\\&=\sqrt[3]{{{{\left( {6{x^9}} \right)}^3}}}\\&= 6{x^9}\\\end{aligned}

The simplest form of the expression is 6{x^9}.

The expression is \boxed{6{x^9}} which is equivalent to \sqrt[3]{{216{x^{27}}}} a perfect cube.Option (b) is correct.

Option (a) is not correct as the \sqrt[3]{{216{x^{27}}}} is 6{x^9}.

Option (b) is correct as the \sqrt[3]{{216{x^{27}}}} is 6{x^9}.

Option (c) is not correct as the \sqrt[3]{{216{x^{27}}}} is 6{x^9}.

Option (d) is not correct as the \sqrt[3]{{216{x^{27}}}} is 6{x^9}.

Learn more:

  1. Learn more about unit conversion brainly.com/question/4837736
  2. Learn more about non-collinear brainly.com/question/4165000
  3. Learn more aboutbinomial and trinomial brainly.com/question/1394854

Answer details:

Grade: High School

Subject: Mathematics

Chapter: Exponents and Powers

Keywords: Solution, perfect cube, factorized form, expression, difference of cubes, exponents, power, equation, power rule, exponent rule, 3 square root, 216x^27, equivalent.

NeTakaya2 years ago
4 0
What is asked in the problem is the cube root of the given expression which is a product of the cube root of the numerical coefficient, 216, and that of the the variable, x^27. The cube root of 216 is 6 and that of x^27 is x^9. Thus, the answer is 6x^9. 
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