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Mathematics 19 Online
OpenStudy (ammarah):

Write the expression as a complex number in standard form.

OpenStudy (ammarah):

2+3i/5-2i

OpenStudy (ammarah):

@tkhunny

OpenStudy (anonymous):

Do you mean (2+3i)/(55-2i or do you mean 2+(3/5)i-2i

OpenStudy (ammarah):

(2+3i)/(5-2i

OpenStudy (dumbcow):

multiply by conjugate (5+2i)/(5+2i)

OpenStudy (ammarah):

? conjugate

OpenStudy (dumbcow):

http://en.wikipedia.org/wiki/Conjugate_(algebra)

OpenStudy (ammarah):

ok then what

OpenStudy (ammarah):

i dont get what i^ =

OpenStudy (anonymous):

2+3i/5-2i x 5+2i/5+2i [ 5+2i is the conjugate of 5-2i] you are multiplying and dividing by the conjugate, this removes the i term from the denominator .. try it and see

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