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Calculus1
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OpenStudy (anonymous):
Help please!
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OpenStudy (anonymous):
OpenStudy (alexandervonhumboldt2):
(4-7i)/(7+4i)=(4-7i)*(7-4i)/(7+4i)*(7-4i)=(-65i)/(49+16)=-65i/65=-i
OpenStudy (alexandervonhumboldt2):
use rationalazing of denominator method
TheSmartOne (thesmartone):
This is calculus? o.O
OpenStudy (alexandervonhumboldt2):
no
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OpenStudy (alexandervonhumboldt2):
algerba
OpenStudy (alexandervonhumboldt2):
the asker posted this in incorrect subtopic lol
OpenStudy (anonymous):
This is precalculus, and it's complex numbers
OpenStudy (alexandervonhumboldt2):
ok
OpenStudy (alexandervonhumboldt2):
looks too easy for Precal
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