Find all nth roots. Write your answers in rectangular form when rectangular form is given and in polar form when polar form is given.
21) 2i, n = 3
22) 6(cos θ + isin θ), n = 4
Vofeos isin Mt COS isin
1.09 0.631 ~L.09 0.63i 26i
191 195 cos isin
27t 27n COS isin
Critical thinking questions:
23) Show that √(−iNF) is a 23rd root of √(ni). (√(−iNF))^23 = √(ni)
24) Solve for x: (2 + iθ) = √(1 + 2i) Hint: x is a complex number.