Question

real cube roots of -64

Answer 1

-8

Answer 2

-4

Answer 3

Second one is right this time :D

Answer 4

\[\sqrt[3]{-64}= \sqrt[3]{-1}\times \sqrt[3]{64}\]\[\sqrt[3]{-1}=i\]\[\sqrt[3]{64}= \sqrt[3]{2\times2\times2\times2\times2\times2\times2}= 4\]\[i \times4=4i\]

Answer 5

If I deserve medal then give me one