lilyyy16
lilyyy16
02-12-2020
Mathematics
contestada
What is the value of (7 +21)(3 - i)?
Respuesta :
sabrin12A
sabrin12A
02-12-2020
(7+21)=28
28(3-I)=
28•3 =84
28•I=28i
28/84=3,5
3,5=I
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