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IRISSAK [1]
3 years ago
7

15^1/5 rewrite in radical form

Mathematics
2 answers:
Margaret [11]3 years ago
7 0

Answer:

\sqrt[5]{15}

Step-by-step explanation:

<u>A number to 1/5 is the </u>\sqrt[5]{n}<u />

<u>A number to 1/3 is the </u>\sqrt[3]{n}<u />

So, since the number is 15 to the 1/5, it is \sqrt[5]{15}

Answer:  \sqrt[5]{15}

Tresset [83]3 years ago
7 0

Answer:

15^{\frac{1}{5} } = \sqrt[5]{15}

Step-by-step explanation:

recall that

a^{\frac{1}{b} }  = \sqrt[b]{a}

if we apply this to our case,

15^{\frac{1}{5} } = \sqrt[5]{15}

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{a}^{2}  + 5ab +  6 {b}^{2} = ( a + 2b)( \:  \:  \:  \:  \:  \:  \:  \: ) \\ solution \\ taking \:  \: lhs \\  =  {a}^{2}  + 5ab + 6 {b}^{2} \\ =  {a}^{2}  + ( 3+ 2)ab + 6 {b}^{2} \\  =  {a}^{2}  + 3ab + 2ab + 6 {b}^{2}  \\now \: taking \: common \: factor \\ a(a + 3b) + 2b(a + 3) \\ (a + 2b)(a + 3) \\ now \\ {a}^{2}  + 5ab +  6 {b}^{2} = ( a + 2b)( a + 3) ans

this may help you(:

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