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Mathematics 20 Online
OpenStudy (anonymous):

4/7+i

OpenStudy (lgbasallote):

conjugate.. that's (4/7+1)(7-i/7-1) [4(7-i)]/ 49 -i^2 28 - 4i/ 49 - (-1) 28-4i/ 50 simplified... (14-2i)/25

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