Respostas

2013-11-12T13:37:47-02:00
Sendo a= -4+3i, b= 5-6i e c= 4-3i, calcule o valor de a.c+b

a.c = 

(-4+3i) . (4-3i) = 
-16 + 12i +12i - 9i² = 
-16 + 24i + 9 =
-7 + 24i

(-7 + 24i)  + (5-6i) = 
-2 + 18i

5 5 5
2013-11-12T13:39:13-02:00
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