SHARING.... -experiences of teaching maths as a hobby for over 50 years to school and college students. -challenges in project management and the common sense approach to it from old classics.

Sunday, October 29, 2006

QUESTIONS - ANGELA - COMPLEX NUMBERS

QUESTIONS/ANSWERS - ANGELA
COMPLEX NUMBERS

On 10/30/06, Angela - noreply-comment@blogger.com - wrote:
Angela has left a new comment on your post PANCHATANTRA - 5.COMMUNICATION

Your time is greatly appreciated. You have helped me tremendously. Here are
some problems I need help with... Divide 10-9i by 3-2i and make the denominator
a real number.
=(10-9i)(3+2i)/(3-2i)(3+2i)
=(30+20i-27i-18i*i)/(9-4i*i)
=(48-7i)/13

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