mikailathayer17 mikailathayer17
  • 14-02-2020
  • Mathematics
contestada

Which of the following is ∣−3 − 6i∣?

A. 3√5i
B. 3√5
C. +/- 3√5
D. +/- 3i√5

Respuesta :

profarouk profarouk
  • 16-02-2020

Answer:

B. 3√5

Step-by-step explanation:

∣−3 − 6i∣ = [tex]\sqrt{3^{2} + 6^{2} } =\sqrt{9+36} = \sqrt{45} = \sqrt{9*5} =\sqrt{9} *\sqrt{5} = 3\sqrt{5}[/tex]

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