plz answer ASAP
corrct will be mark as brainliest
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Step-by-step explanation:
8.(1-i)⁴
={(1-i)²}²
={1-2i-1}²
=(-2i)²
=-4
9.(1/3+3i)³
=1/27+i-9-27i
=(1/27-9)-26i
=(1-9×27/27)-26i
=-242/27-i26
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