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7/24/2019 Metodos Lista 3
http://slidepdf.com/reader/full/metodos-lista-3 1/2
exp(2 ± 3πi) = −e2;
exp
2 + πi
4
=
e
2(1 + i);
exp(z + πi) = −exp z.
f (z) = exp(z∗)
exp
z2 < exp
z2 .
|exp(−2z)| < 1
z > 0
z
ez = −2;
ez = 1 +
√ 3 i;
exp(2z − 1) = 1.
z = ln 2 + (2n + 1)πi (n = 0,±1,±2, . . . );
z = ln 2 + (2n +
1
31)πi (n = 0,±1,±2, . . . );
z = 12
+ nπi (n = 0,±1,±2, . . . ) .
ez = e
ez = i
ez = −1 + i
√ 3
[cos (iz)]∗ = cos(iz∗)
z;
[sen (iz)]∗ = sen(iz∗)
z = nπi (n = 0,±1,±2, . . . ).
7/24/2019 Metodos Lista 3
http://slidepdf.com/reader/full/metodos-lista-3 2/2
sen z = cosh 4.
senh 2z = 2 senh z cosh z
senh z
cosh z
sen2z = 2sen z cos z
Log(−ei) = 1 − i π
2
Log(1 − i) = 12
ln 2 − i π4
Log(1 + i)2 = 2 Log(1 + i)
Log(−1 + i)2 = 2 Log(−1 + i)
Log z = iπ/2
f
f (z) = Log(z − i)
z = x + iy
x ≤ 0
y = 1
f
f (z) = Log(z + 4)
z2 + i
C\{e−i
π
4
, ei3π
4 } ∪ {z = −t; t ≥ 4}