saige1066
saige1066 saige1066
  • 03-12-2019
  • Mathematics
contestada

Which expression is equivalent to (6i)^3

Respuesta :

gmany
gmany gmany
  • 03-12-2019

Step-by-step explanation:

[tex](6i)^3\qquad\text{use}\ (ab)^n=a^nb^n\\\\=6^3i^3\\\\\text{If}\ i=\sqrt{-1},\ \text{then}\\\\6^3i^3=216(-i)=-216i\\\\\text{else}\\\\6^3i^3=216i^3[/tex]

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