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Nezavi [6.7K]
4 years ago
6

(3sqr3cis(pi/8))*(3sqr5cis(2pi/3))

Mathematics
1 answer:
Volgvan4 years ago
7 0

Answer:

  9√15·cis(19π/24)

Step-by-step explanation:

The magnitudes multiply and the angles add:

  = ((3√3)(3√5))·cis(π/8 +2π/3)

  = 9√15·cis(π(1/8 +2/3)) = 9√15·cis(π(3/24 +16/24))

  = 9√15·cis(19π/24)

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