I am having trouble simplifying this: (-5+3i)^2 and I don't understand how to divide: (3-4i)/(5-2i) Any help would be great
Last edited by mr fantastic; September 9th 2010 at 01:15 PM. Reason: Re-titled.
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Originally Posted by Joaco I am having trouble simplifying this: (-5+3i)^2 and I don't understand how to divide: (3-4i)/(5-2i) Any help would be great it's just as you wrote : P.S. because and for that problem with dividing that two complex numbers ... multiply now with ... can you continue ?
Originally Posted by Joaco I am having trouble simplifying this: (-5+3i)^2 and I don't understand how to divide: (3-4i)/(5-2i) Any help would be great For division, standard procedure is to multiply numerator and denominator by the conjugate of the denominator (thus making the denominator a real number).
Learn this useful formula: . So
Originally Posted by yeKciM and for that problem with dividing that two complex numbers ... multiply now with ... can you continue ? So it would be (23 - 14i)/ 29 Originally Posted by Plato Learn this useful formula: . So It makes a lot of sense Thank you everyone
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