Q6 of 153 Page 14

Mark the Correct alternative in the following:

The polar form of (i25)3 is


z = (i25)3 = i75 = i4×18+3

We know that i4 =1 and i3 = -i


z = i4×18.i3 = 0 – i




z = |z|(cos θ + i sin θ)



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