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anonymous

  • one year ago

simplify radical :) help me please

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  1. anonymous
    • one year ago
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    \[\frac{ 1 }{ \sqrt[4]{72x^2y^5} }\]

  2. anonymous
    • one year ago
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    \[\frac{ (x^2y^5)^3/4 }{ 2^(3/4)\sqrt{3} ^{}x^2y^5}\]

  3. anonymous
    • one year ago
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    ?

  4. anonymous
    • one year ago
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    that is the expanded form

  5. anonymous
    • one year ago
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    how to expand?

  6. anonymous
    • one year ago
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    pull out the square root you end up with 1/(72x^2y^5)^1/4 and expand from there

  7. anonymous
    • one year ago
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    can you give me step by step :)

  8. anonymous
    • one year ago
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    how to get the final answer ..

  9. triciaal
    • one year ago
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    |dw:1439483838266:dw|

  10. triciaal
    • one year ago
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    |dw:1439483893738:dw|

  11. triciaal
    • one year ago
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    do you know how to find the prime factors of 72?

  12. anonymous
    • one year ago
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    2.2.2.3.3?

  13. welshfella
    • one year ago
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    exactly right

  14. anonymous
    • one year ago
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    then ?

  15. triciaal
    • one year ago
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    so the 4th root of 72 is not a rational number just use the rules of exponents above and apply to your question

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spraguer (Moderator)
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