tylerpolensky tylerpolensky
  • 04-01-2015
  • Mathematics
Answered

URGENT URGENT URGENT Which expression is equivalent to (4-3i)^2 + (6+i)^2

A) 30
B) 42-12i
C) 50
D) 62-12i


URGENT



Answer :

sabbi sabbi
  • 04-01-2015
(4-3i)^2 + (6+i)^2 =
(16-24i+9i^2) + (36+12i+i^2) =
52-12i+10i^2=
52-12i+10(-1)=
52-12i-10=
B. 42-12i
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