Fourth root 81 – 3*cubth root 27+5*fifth root 32

Question

Fourth root 81 – 3*cubth root 27+5*fifth root 32

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Quinn 3 weeks 2021-08-21T12:06:41+00:00 1 Answer 0 views 0

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    2021-08-21T12:07:41+00:00

    \huge\bf\blue{Right-Question➠}

     \sqrt[4]{81}  -  \sqrt[3]{27}  +  \sqrt[5]{32}

    \large\bf\green{Solution➽}

      ( {81}^{ \frac{1}{2} } )^{ \frac{1}{2} }  \times  {27}^{ \frac{1}{3} }  \times  \sqrt[5]{32}

     {9}^{ \frac{1}{2} }  \times ( {3}^{3} )^{ \frac{1}{3} } \times  \sqrt[5]{32}

    3 \times 3 \times ( {2}^{5} )^{ \frac{1}{5} }

    3 \times 3 \times 2

    \large{18 \:  \:  \:  \:}

    \large\bf\blue{Answer➠}

    \bf\orange{18.}

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    Note:

    We can right

     \sqrt[a]{b}   \:  \:  \:  \:  as \:  \:  \:  \:  {b}^{ \frac{1}{a} }

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