kyrito kyrito
  • 25-10-2019
  • Mathematics
contestada

find the square of the imaginary number 2i​

Respuesta :

devishri1977
devishri1977 devishri1977
  • 25-10-2019

Answer:

-4

Step-by-step explanation:

(2i)² = 2²*i² = 4 * -1 = -4

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