To find the cubic root of 135, we write it as:
\[ \sqrt[3]{135} \]
Now, let's express 135 in its prime factors:
\[ 135 = 3^3 \cdot 5 \]
So we can rewrite the cubic root:
\[ \sqrt[3]{135} = \sqrt[3]{3^3 \cdot 5} = \sqrt[3]{3^3} \cdot \sqrt[3]{5} = 3 \cdot \sqrt[3]{5} \]
Thus, the cubic root of 135 is:
\[ 3\sqrt[3]{5} \]
From the provided options, the closest response that matches is:
\[ 3 \sqrt[3]{5} \]
Therefore, the correct answer is:
3 root index 3 start root 5 end root.