Question

Math Analysis:
Find the indicated roots. Write the answer in a + bi from
Cube roots of 27i

Answer 1

Convert to polar, use formula, convert back to rectangular.

Answer 2

\[\sqrt[3]{27i}=\sqrt[3]{3^3i}=3\sqrt[3]i\]

Answer 3

3a=90degrees correct? o-o

Answer 4

is this right..?
3cis(30) 2.60 + 1.5i
3 cis(150) -2.60 + 1.5i
3cis(270) 0 + -3i

Answer 5

was i supposed to put it in fractions cause i put it in decimals..
don't know if i would be marked wrong for that one :\

Answer 6

nvm, i got it :p