adding radicals need help

Discussion in 'Math' started by zelda1850, Nov 11, 2010.

  1. zelda1850

    Thread Starter New Member

    Jan 3, 2010
    18
    0
    i have two questions for homework that im stuck on can someone help me on it

    -3\sqrt[3]{-3} + 2\sqrt[3]{162} + 3\sqrt[3]{81}

    and

    4\sqrt[6]{3} + 2\sqrt[4]{32} - 3\sqrt[6]{192} - 2\sqrt[6]{192}
     
  2. retched

    AAC Fanatic!

    Dec 5, 2009
    5,201
    312
    Ok GOT IT!

    What do you have?
     
  3. zelda1850

    Thread Starter New Member

    Jan 3, 2010
    18
    0
    for the first question i got

    -3\sqrt[3]{-3} + 6\sqrt{6} + 9\sqrt{3} = 6\sqrt[3]{3} + 6\sqrt{6}

    and the other one i got

    4\sqrt[6]{3} + 4\sqrt[4]{4} - 6\sqrt{3} - 4\sqrt{3} = 4\sqrt[6]{3} + 4\sqrt[4]{4} - 2\sqrt{3}
     
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