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Cutiepo0

  • 2 years ago

SImplify: ³/16 + ³/54 (Third root of 16 + third root of 54)

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  1. Cutiepo0
    • 2 years ago
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    \[\sqrt[3]{16}+\sqrt[3]{54}\]

  2. amistre64
    • 2 years ago
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    3rt(16) + 3rt(54) might be easier to write :)

  3. Cutiepo0
    • 2 years ago
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    Thanks :)

  4. amistre64
    • 2 years ago
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    to add them you need to get like terms under the radicals

  5. Cutiepo0
    • 2 years ago
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    how do I do that?

  6. amistre64
    • 2 years ago
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    like factors if you will

  7. amistre64
    • 2 years ago
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    hmmm, try converting to exponents and see if we can play with those maybe?

  8. amistre64
    • 2 years ago
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    \[16^{1/3}+54^{1/3}\] hmm

  9. Cutiepo0
    • 2 years ago
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    so like: \[16^{1/3} + 54^{1/3}\]

  10. jimmyrep
    • 2 years ago
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    = 3rt (8*2) + 3rt(27*2) = 2 3rt2 + 3 3rt2 = 5 3rt2

  11. amistre64
    • 2 years ago
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    4*4 = 16 that aint it 9*6 = 54 .... thatll do it

  12. amistre64
    • 2 years ago
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    not mine; jimmys lol

  13. amistre64
    • 2 years ago
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    might help if I could recall the perfect cubes :/

  14. Cutiepo0
    • 2 years ago
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    THanks jimmy's was right, but I don't know how he too hte 2 and the 3 from under the radical sign???

  15. Cutiepo0
    • 2 years ago
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    how he took the**

  16. Cutiepo0
    • 2 years ago
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    oh! never mind thanks :)

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