Author Topic: Complexxxxxx numberss..............  (Read 952 times)

Offline spiderman

  • SPIDERMAN
  • SF Immigrant
  • **
  • Posts: 64
  • Reputation: 792
Complexxxxxx numberss..............
« on: September 18, 2010, 09:53:55 am »
Het guys cud ull pls help me with this sum:

1/(z+2-i)........prove that the real part of this term is constant for -180 to 180 degrees.....
given that z=2cos@ + i(1-2sin@)
Always hangin around ur neighbourhood..........

Offline astarmathsandphysics

  • SF Overlord
  • *********
  • Posts: 11271
  • Reputation: 65534
  • Gender: Male
  • Free the exam papers!
Re: Complexxxxxx numberss..............
« Reply #1 on: September 18, 2010, 11:26:23 am »
here

Offline rc32

  • Newbie
  • *
  • Posts: 6
  • Reputation: 22
Re: Complexxxxxx numberss..............
« Reply #2 on: October 22, 2010, 04:43:08 pm »
http://

how do the imaginary part disapear?  :o

Offline astarmathsandphysics

  • SF Overlord
  • *********
  • Posts: 11271
  • Reputation: 65534
  • Gender: Male
  • Free the exam papers!
Re: Complexxxxxx numberss..............
« Reply #3 on: October 22, 2010, 09:46:35 pm »
is why complex numbers are complex