show that the sum of a complex number and its conjugate is twice the real part of the number, and the difference is twice the imaginary part of the number.

Question

show that the sum of a complex number and its conjugate is twice the real part  of the number, and the difference is twice the imaginary part of the number.

anonymous · Answer

do u knw what is complex no.?

anonymous · Answer

let me know that first?

perl · Answer

(a+bi) - (a-bi) = 2b i

anonymous · Answer

@manishsatywali : yes i know it..

anonymous · Answer

so fr the moment u have been provided that : for a complex no . A+ Bi

anonymous · Answer

what will be it's conjugate ???? tell me asap

anonymous · Answer

@perl : thanks..

anonymous · Answer

@manishsatywali : a-bi

anonymous · Answer

k now according to th equestion there r two conditions first diffrence and sum of complex no. and it's conjugate ......ok

perl · Answer

oh i messed up the first one

perl · Answer

(a+bi) + ( a-bi) = 2a  
(a+bi) - (a-bi) = 2b i

anonymous · Answer

frst let's focus on the sum of complex no. and it's conjugate

perl · Answer

manish, dont sweat it bro. this is done

perl · Answer

where is my medal?

perl · Answer

(a+bi) + ( a-bi) = 2a  
(a+bi) - (a-bi) = 2b i

anonymous · Answer

@perl  pls...dn't give direct answer...............i getting whether she everything about the question or not right from base level

anonymous · Answer

@manishsatywali  : i agree..

perl · Answer

manish, dont sweat it bro.

perl · Answer

manish, i got this bro

anonymous · Answer

nw sum (A-Bi ) + (A-Bi).........do it fast ?????????????@meejoy

perl · Answer

no thats wrong manish

perl · Answer

manish, here
(a+bi) + ( a-bi) = 2a  
(a+bi) - (a-bi) = 2b i

perl · Answer

a = Re(z) , b = Im (z) ,

anonymous · Answer

@perl bro pls. w8

anonymous · Answer

@meejoy  do the sum

perl · Answer

ok sorry :) message me if you have question

anonymous · Answer

@perl and @manishsatywali  : this is for studying purpose... but it seems this just gave me a mess. >_<

anonymous · Answer

@meejoy.........pls do the sum

anonymous · Answer

@perl and @manishsatywali  : stop the wild talk ..

perl · Answer

wild talk?

anonymous · Answer

2A-2Bi

anonymous · Answer

srry @meejoy  u gt the wrong answer 
+ Bi and  - Bi must cancel

anonymous · Answer

you ask me to get the sum of this right ? (A-Bi ) + (A-Bi)  .. how come that Bi must be cancel???

anonymous · Answer

@manishsatywali  : are you still here?

anonymous · Answer

@perl : will you pls help me to know and understand the right answer and solution? thanks..

anonymous · Answer

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