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Mathematics 7 Online
OpenStudy (anonymous):

(4+3

OpenStudy (anonymous):

\[(4+3\sqrt{-2})^{2}\]

OpenStudy (anonymous):

simplify to a+bi form

OpenStudy (lgbasallote):

\[(4 + 3\sqrt{-2})^2 \implies (4)^2 + (3\sqrt{-2})^2 + 2(4 \times 3 \sqrt{-2})\] \[\implies 16 + 9(-2) + 12\sqrt{-2}\] \[\implies16 - 18 + 12i \sqrt 2\] \[\implies - 2 + 12i \sqrt 2\]

OpenStudy (anonymous):

Thank you

OpenStudy (theviper):

@lgbasallote should not it be \[\LARGE{-2+24i \sqrt{2}}\]?? plz tell

OpenStudy (lgbasallote):

uhh lol yeah

OpenStudy (theviper):

ok thanx:)

OpenStudy (lgbasallote):

i was trying to test if xavier was listening :S

OpenStudy (theviper):

LOL

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