prove that : [ (3+2i/2-5i) + (3-2i/2+5i) ] is rational

Asked by Aashna Anith Kumar | 1st Jul, 2013, 08:45: PM

Expert Answer:

[ (3+2i/2-5i) + (3-2i/2+5i) ] = 3+3+i-i -5i+5i = 6
 
Now, 6 is a rational number and hence, [ (3+2i/2-5i) + (3-2i/2+5i) ]  is a rational number. 

Answered by  | 1st Jul, 2013, 11:02: PM

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