The expression is
which is equivalent to
a perfect cube.Option (b) is correct.
Further Explanation:
Given:
The expression is ![\sqrt[3]{{216{x^{27}}}}.](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B%7B216%7Bx%5E%7B27%7D%7D%7D%7D.)
The options are as follows,
(a). 
(b). 
(c). 
(d). 
Calculation:
The given expression is ![\sqrt[3]{{216{x^{27}}}}.](https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B%7B216%7Bx%5E%7B27%7D%7D%7D%7D.)
Consider the given expression as ![A = \sqrt[3]{{216{x^{27}}}}.](https://tex.z-dn.net/?f=A%20%3D%20%5Csqrt%5B3%5D%7B%7B216%7Bx%5E%7B27%7D%7D%7D%7D.)
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}](https://tex.z-dn.net/?f=%5Cbegin%7Baligned%7DA%26%3D%20%5Csqrt%5B3%5D%7B%7B216%7Bx%5E%7B27%7D%7D%7D%7D%5C%5C%26%3D%20%5Csqrt%5B3%5D%7B%7B%7B%7B%5Cleft%28%206%20%5Cright%29%7D%5E3%7D%7B%7B%5Cleft%28%20%7B%7Bx%5E9%7D%7D%20%5Cright%29%7D%5E3%7D%7D%7D%5C%5C%26%3D%5Csqrt%5B3%5D%7B%7B%7B%7B%5Cleft%28%20%7B6%7Bx%5E9%7D%7D%20%5Cright%29%7D%5E3%7D%7D%7D%5C%5C%26%3D%206%7Bx%5E9%7D%5C%5C%5Cend%7Baligned%7D)
The simplest form of the expression is 
The expression is
which is equivalent to
a perfect cube.Option (b) is correct.
Option (a) is not correct as the
is 
Option (b) is correct as the
is 
Option (c) is not correct as the
is 
Option (d) is not correct as the
is 
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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,
, equivalent.