‚Z”Šw‚ÌŽ¿–âƒXƒŒiˆãŽÒE“Œ‘呲ê—pj Part438 (991Ú½)
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13(1): 2024/08/11(“ú)16:40 ID:y6yg1Hhb(3/6) AAS
ComplexExpand[(1 + I)^(1 - I)]
Log[1+I] // ComplexExpand
20(1): 2024/08/12(ŒŽ)05:21 ID:7Qwbx0VG(2/3) AAS
>>13
Log[1+i] = log(2)/2 + i(ƒÎ/4) = -ƒÆ + i(ƒÎ/4),
[1+i]^[1-i] = (1+i)*(1+i)^{-i}
@@= (1+i)*e^{ƒÎ/4 +iƒÆ},
e^{ƒÎ/4} = 2.19328
ƒÆ =−log(2)/2 = −0.3465736
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