Question: (a) Write i in phase-modulus form. (b) Use this expression to find i.e., a complex number z such that z2 = i. Can you

(a) Write i in phase-modulus form.
(b) Use this expression to find √ i.e., a complex number z such that z2 = i. Can you find a second square root?
(c) Find explicit formulas for the three third roots and four fourth roots of i.

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