What is \sqrt[3]{81y^7} ?

The solution to \sqrt[3]{81y^7} is 3\sqrt[3]{3}y^2\sqrt[3]{y}

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simplify \sqrt[3]{81y^7}

simplify

3 81 y^{7}

333 y^{2} 3 y

Solution steps

3 81 y^{7}

Apply radical rule:

n ab = n a n b,

assuming

a \geq 0, b \geq 0

3 81 y^{7} = 381 3 y^{7}

= 381 3 y^{7}

Simplify

3 y^{7} : y^{2} 3 y

= 381 y^{2} 3 y

381 = 333

= 333 y^{2} 3 y

(- 3 x) (4 x + 5)

\frac{\frac{2}{3}}{1 - \frac{2}{3}}

- 81 x^{3} - 36 x^{5}

\frac{x}{x ^{- 1}}

\frac{240}{180}

What is \sqrt[3]{81y^7} ?
The solution to \sqrt[3]{81y^7} is 3\sqrt[3]{3}y^2\sqrt[3]{y}