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Mathematics 11 Online
OpenStudy (anonymous):

(8 + 3i)(3 + 5i)

OpenStudy (lalaly):

24+40i+9i-15 = 9+49i

OpenStudy (anonymous):

thank youu

OpenStudy (lalaly):

ur welcome=)

OpenStudy (anonymous):

\[\sqrt{-49}\div (7-2i )-(4+9i)\]

OpenStudy (anonymous):

7i/(7-2i-4-9i)=7i/(3-11i)

OpenStudy (anonymous):

7i(3+11i)/(3+11i)(3-11i), 7i(3+11i)/20

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