
Complex Analysis Complex Analysis Math Forum 
 LinkBack  Thread Tools  Display Modes 
March 2nd, 2014, 01:43 AM  #1 
Newbie Joined: Mar 2014 Posts: 2 Thanks: 0  Real part of complex?
Hello! Can someone help with this complex function? f(x) =(e^3+i2x)/ix how can I get the real part of the f(x)? thanks a lot 
March 2nd, 2014, 05:23 AM  #2 
Senior Member Joined: May 2011 Posts: 501 Thanks: 5  Re: Real part of complex?
It's in front of you. Just divide by ix.

March 2nd, 2014, 10:16 AM  #3 
Newbie Joined: Mar 2014 Posts: 2 Thanks: 0  Re: Real part of complex?
the function should be f(x) =(e^(3+i2x))/ix typo. can you solve it? thanks. 
March 2nd, 2014, 12:46 PM  #4  
Global Moderator Joined: May 2007 Posts: 6,539 Thanks: 591  Re: Real part of complex? Quote:
f(x) =(e^(3+i2x))/ix = ie^3(cos2x + isin2x)/x = e^3(sin2x/x) ie^3(cos2x/x)  

Tags 
complex, part, real 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Minimum Real Part theorem issue on RHP (unbounded domain)  aleberto69  Complex Analysis  2  October 12th, 2013 01:27 AM 
real part of (A+Bi)^(1/3)  dkm0038  Complex Analysis  14  July 13th, 2012 02:12 PM 
Complex numbers: Show that real part is 1  Punch  Complex Analysis  4  April 1st, 2012 09:23 AM 
find real part  grg  Complex Analysis  1  June 2nd, 2009 01:42 PM 
Real part  Mazaheri  Complex Analysis  4  April 3rd, 2007 08:56 PM 