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If Q = 5+2i, E = i, and D = 5-2i, find QED.

 Mar 25, 2020
 #1
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Assuming that QED denotes Q*E*D:

 

(5+2i)(5-2i)(i) = (5^2 - (2i)^2)(i) = (25 - (-4))(i) = 29i.

 

QED=29i

 

ANSWER= 29i

 Mar 25, 2020
 #2
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Nice job, Guest!

CalTheGreat  Mar 25, 2020

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