urlkun89 urlkun89
  • 08-09-2021
  • Mathematics
contestada

help me please and thank youuuu

help me please and thank youuuu class=

Respuesta :

HIGHSUPERB
HIGHSUPERB HIGHSUPERB
  • 08-09-2021

2i²(-3+4i)=-6i²+8i³

sorry if I'm wrong

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devishri1977
devishri1977 devishri1977
  • 08-09-2021

Answer:

Step-by-step explanation:

a = 2i

a² = (2i)² = 2²*i² = 4 *(-1)        {i² = -1}

   = -4

b = -3 + 4i

a²b = -4*(-3 + 4i)     {Use distributive property}

      = (-4)*(-3) + 4i*(-4)

      = 12 - 16i

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