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calculate-log-1-3-i-2-




Question Number 48226 by gunawan last updated on 21/Nov/18
calculate  log(−1+(√3) i)^2
calculatelog(1+3i)2
Answered by Smail last updated on 21/Nov/18
ln((−1+(√3)i)^2 )=2ln(2(−(1/2)+i((√3)/2)))  =2ln2+2ln(cos(((2π)/3))+isin(((2π)/3)))  =2ln2+2ln(e^(i((2π)/3)) )=2ln2+i((4π)/3)
ln((1+3i)2)=2ln(2(12+i32))=2ln2+2ln(cos(2π3)+isin(2π3))=2ln2+2ln(ei2π3)=2ln2+i4π3

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