Question

a³ = 8
a² =25
a⁴ =16
a²= -9​

Answer 1

A³ = 8

A = ∛8

A = 2

___________

a² =25

a = ± √25

a = ± 5

___________

a⁴ =16

a = ⁴√16

a = ± 2

___________

a²= -9​

a = √(-9)

a = √(-1 . 9)

a = i√9

a = 3i