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Mathematics
Complex Numbers
Operations with Complex Numbers
write in standard form a+bi: (2+3i)^3
1 answer
(2+3i)^3 = 2^3 + 3*2^2*(3i) + 3*2*(3i)^2 + (3i)^3
= 8 + 36i - 54 - 27i
= -46+9i
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