Calculate: (1+3i)^9 How do I solve this? I have tried without any success. Thanks!
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Originally Posted by sf1903 Calculate: (1+3i)^9 and
Hint : .
Originally Posted by Plato and If im correct the answer should be -512
512*Cos(3π)+i*512*Sin(3π) = -512 + 0 = -512
Or am i out in the blue?
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