Simple Question of Complex numbers (1 Viewer)

123ash · Apr 6, 2010

How do I simplify this please???

((3+4i)^(1/2) + (3-4i)^(1/2))^2

adomad · Apr 6, 2010

$(\sqrt{3+4i} +\sqrt{3-4i})^2$
$3+4i+3-4i+2\sqrt{(3-4i)(3+4i)}$ (upon exanding)
$6+2\sqrt{25}$
$= 16$

i was going to find the square roots of the complex numbers lol

123ash · Apr 6, 2010

woa thanks a lot.

adomad · Apr 6, 2010

123ash said:
woa thanks a lot.

no problem

Simple Question of Complex numbers (1 Viewer)

123ash

Member

adomad

HSC!!

123ash

Member

adomad

HSC!!

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