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OpenStudy (anonymous):
Which one is a complex number in standard form for the expression 2-5i/1+9i?
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OpenStudy (anonymous):
z=2-5i/1+9i z=2-5i/1+9i*1-9i/1-9i z=2-18i-5i+45i^2/1-81i^2 z=2-23i+45*-1/1-81*-1 z=2-23i-45/1+81 z=-23i-43/82
OpenStudy (anonymous):
thankyou
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