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Popular >

simplify \sqrt[5]{(2b)^3}

Solution

simplify

Solution

2^{\frac{3}{5}} b^{\frac{3}{5}}

Solution steps

Apply radical rule:

= ((2 b)^{3})^{\frac{1}{5}}

Apply exponent rule:

(a^{b})^{c} = a^{b c},

assuming

a \geq 0

= (2 b)^{3 \cdot \frac{1}{5}}

3 \cdot \frac{1}{5} = \frac{3}{5}

= (2 b)^{\frac{3}{5}}

Apply exponent rule:

(a \cdot b)^{n} = a^{n} b^{n}

= 2^{\frac{3}{5}} b^{\frac{3}{5}}

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Frequently Asked Questions (FAQ)

What is \sqrt[5]{(2b)^3} ?
The solution to \sqrt[5]{(2b)^3} is 2^{3/5}b^{3/5}