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OpenStudy (anonymous):
Rationalize the denominator. 4/(2+7i)
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OpenStudy (goten77):
thinking
OpenStudy (anonymous):
You can multiply by the complex conjugate to get rid of the imaginary term there in the denominator.
OpenStudy (goten77):
@qpHalcy0n your saying |dw:1345588635939:dw| do that?
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