Rational expression sometimes contain radicals.
What are radicals in mathematics?
"Radicals are writing an expression in root form."
What are rational expression?
"Rational expression are writing a polynomial in the ratio form that is p / q form."
According to the definition,
Rational expression and radicals, when rational expression is in nth root form it contains radicals .
Rational expression [tex](3x)^{1/3}[/tex] can be written as radical ∛3x.
If rational expression is 3x then we cannot express it as radicals.
Hence, we conclude that Option(B) is the correct answer.
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