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[tex]Z_{1}[/tex]=3cisπ [tex]Z_{2}[/tex]=5cis(π/2) If [tex]Z_{1}[/tex]*[tex]Z_{2}[/tex]=a1+b2 than a= blank, and b=blank

Respuesta :

sqdancefan

Answer:

  • a = 0
  • b = -15

Step-by-step explanation:

z1 = -3

z2 = 5i

z1·z2 = (-3)(5i) = -15i = 0 + (-15)i

Then the real and imaginary parts are a = 0, b = -15.

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