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(d) Show that (1 - V3i) 3 i ( 1 + 2 ) ? is purely real. 15 mark Je) Determine all the solutions to

(d) Show that (1 - V3i) 3 i ( 1 + 2 ) ? is purely real. 15 mark Je) Determine all the solutions to the equation (z - 4)4 + 2 - 27 = 0. [5 ma

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