Question

Find the cube roots of (-1) and hence of (-8).​

Answer 1

Answer:

-1 and -2 respectively

Step-by-step explanation:

• $\sqrt[3]{-a^3} =-\sqrt[3]{a}$

∴$\sqrt[3]{-1} =-\sqrt[3]{1^3} =-1$

∴$\sqrt[3]{-8} =-\sqrt[3]{2^3} =-2$