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13-12-2020
Mathematics

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I need help with this please

I need help with this please class=

Respuesta :

hirdaya098 hirdaya098

13-12-2020

Answer:

250x^3 - 500x^3i

Step-by-step explanation:

We have a = 5x

b = 2 - 4i

Now,

= a^3b

= (5x)^3(2 - 4i)

= 125x^3 (2 - 4i)

= 250x^3 - 500x^3i

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