Formulas Complejos
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8/17/2019 Formulas Complejos
1/2
Complejos (I)
Forma real : (a, b )Forma bin´ omica : a + biForma polar : m αForma trigonométrica : m(cos α + i sen α )
a = m cos αb = m sen α
m = √ a 2 + b2
α = arctg ba
x
y
m
α
a
b
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8/17/2019 Formulas Complejos
2/2
Complejos (II)
Suma : (a + bi ) + ( c + di ) = ( a + c) + ( b + d )i
Resta : (a + bi ) − (c + di ) = ( a −
c ) + ( b −d )i
Producto : (a + bi ) · (c + di ) = ( ac −
bd ) + ( ad + bc )i
Producto : m α ·n β = ( m ·
n )α + β
Divisi´on : a
+ bi
c + di = a
+ bi
c + di ·c
−di
c−
di = (ac
+ bd
) + (bc
−ad
)i
c 2 + d 2
Divisi´on : m α : n β = ( m : n )α − βPotencia : (m α )n = m nnα
Ráız : n
√ m
α = ( n
√ m
)α
n