shanelzheng240 shanelzheng240

16-10-2020
Mathematics

contestada

Multiply [tex]\frac{-9i}{-3 - 9i}[/tex] where i is the √-1
(-9i) / (-3 - 9i)

Respuesta :

coco051 coco051

16-10-2020

You can simplify to 9i/3+9i

Multiply by 3 - 9i / 3 - 9i

You get 27i + 81 / 90

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