SOLUTION: Use radical notation to rewrite the expression. Simplify if possible and show work. (64)^2/3+(-27)^2/3

Algebra ->  Radicals -> SOLUTION: Use radical notation to rewrite the expression. Simplify if possible and show work. (64)^2/3+(-27)^2/3      Log On


   

Question 1006934: Use radical notation to rewrite the expression. Simplify if possible and show work.
(64)^2/3+(-27)^2/3
Found 2 solutions by MathLover1, MathTherapy:
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
64%5E%282%2F3%29%2B%28-27%29%5E%282%2F3%29

root%283%2C64%5E2%29%2Broot%283%2C%28-27%29%5E2%29

root%283%2C%284%5E3%29%5E2%29%2Broot%283%2C%28-3%5E3%29%5E2%29



4%2A4%2B3%2A3%2A%28-1%29%5E%282%2F3%29......................since %28-1%29%5E%282%2F3%29=-0.5+%2B0.866%2Ai we have

16%2B9%28-0.5+%2B0.866%2Ai%29

16-4.5+%2B7.794%2Ai%29

11.5+%2B7.794%2Ai%29


Answer by MathTherapy(10551) About Me  (Show Source):
You can put this solution on YOUR website!

Use radical notation to rewrite the expression. Simplify if possible and show work.
(64)^2/3+(-27)^2/3
%2864%29%5E%282%2F3%29+%2B+%28-+27%29%5E%282%2F3%29

%28root+%283%2C+64%29%29%5E2+%2B+%28root+%283%2C+-+27%29%29%5E2

4%5E2+%2B+%28-+3%29%5E2

16 + 9, or highlight_green%2825%29