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WITCHER [35]
3 years ago
15

(69 POINTS!!!)

Mathematics
2 answers:
marshall27 [118]3 years ago
6 0

Answer:

3 (x^6 y^4)^(1/3)

Step-by-step explanation:

finlep [7]3 years ago
6 0

Answer:

\boxed{\bold{3x^2y\sqrt[3]{y}}}

Explanation:

\bold{\sqrt[3]{27x^6y^4}}

\bold{\mathrm{Apply\:radical\:rule\:}\sqrt[n]{ab}=\sqrt[n]{a}\sqrt[n]{b},\:\quad \mathrm{\:assuming\:}a\ge 0,\:b\ge 0}

\bold{=\sqrt[3]{27}\sqrt[3]{x^6}\sqrt[3]{y^4}}

\bold{\sqrt[3]{27} \ = \ 3}

\bol=3\sqrt[3]{x^6}\sqrt[3]{y^4}d

\bol\mathrm{Apply\:exponent\:rule}\quad \:a^{bc}=\left(a^b\right)^cd: \ x^6=x^{2\cdot \:3}=\left(x^2\right)^3

\bol=3\sqrt[3]{\left(x^2\right)^3}\sqrt[3]{y^4}d

\bold{\mathrm{Apply\:radical\:rule\:}\sqrt[n]{a^n}=a,\:\quad \mathrm{\:assuming\:}a\ge 0: \ \sqrt[3]{\left(x^2\right)^3}=x^2}

\bold{=3x^2\sqrt[3]{y^4}}

\bold{\mathrm{Apply\:exponent\:rule}:\quad \:a^{b+c}=a^ba^c}

\bold{=3x^2\sqrt[3]{y^3y^1}}

\bold{\mathrm{Apply\:radical\:rule}:\quad \sqrt{a\cdot b}=\sqrt{a}\sqrt{b}}

\bold{=3x^2\sqrt[3]{y^3}\sqrt[3]{y^1}}

\bold{\mathrm{Apply\:radical\:rule\:}\sqrt[n]{a^n}=a,\:\quad \mathrm{\:assuming\:}a\ge 0: \ \sqrt[3]{y^3}=y}

\bold{=3x^2y\sqrt[3]{y^1}}

\bold{\mathrm{Apply\:rule}\:a^1=a: \ y^1=y}

\boxed{\bold{3x^2y\sqrt[3]{y}}}

- Pacific Northwest

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