Question: Question 10. (2) (1 + V3i) tag) Find the value(s) of n for which the following expressions become real, and likewise for imaginary. (b) (1

Question 10. (2) (1 + V3i)" tag) Find the value(s) of n for which the following expressions become real, and likewise for imaginary. (b) (1 - i)n [40]Question 11. Prove the following results. (a) If |2z - 11 = 1z - 21, then |z| = 1. (b) argz = - argz(b) Hence find two distinct ways of writing 65 as the sum a" + b2, where a and b are integer and 0

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