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OpenStudy (anonymous):
please help me question is on attachment!!!!!
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OpenStudy (anonymous):
rationlize the denomintor
OpenStudy (mertsj):
\[\frac{4i}{7+4i}(\frac{7-4i}{7-4i})=\frac{16+28i}{49-16}=\frac{16+28i}{33}\]
OpenStudy (mertsj):
Whoops. denominator should be 49+16 or 65
OpenStudy (mertsj):
Did you see the correction?
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