BinguTop
BinguTop BinguTop
  • 03-03-2017
  • Mathematics
contestada

Need to simplify cube roots, work shown would be great!

Cube root of 81
Cube root of -64

Respuesta :

LammettHash
LammettHash LammettHash
  • 03-03-2017
[tex]81=9^2=(3^2)^2=3^4\implies \sqrt[3]{81}=\sqrt[3]{3^4}=\sqrt[3]{3\times3^3}=3\sqrt[3]3[/tex]

[tex]-64=(-4)^3\implies\sqrt[3]{-64}=\sqrt[3]{(-4)^3}=-4[/tex]
Answer Link
sebiz101
sebiz101 sebiz101
  • 03-03-2017
1.) 4.32
2.)-4
copy the work on square root calculator
Answer Link

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