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OpenStudy (anonymous):
Does 5-4i/5-2i=2i?
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OpenStudy (anonymous):
rationalise the denominator on the LHS(Left Hand Side).
OpenStudy (anonymous):
\[\frac{ 5-4i }{ 5-2i }\times \frac{ 5+2i }{ 5+2i }=?\]
OpenStudy (anonymous):
Rationalise using the conjugate of 5-2i.
OpenStudy (anonymous):
ok, thanks
OpenStudy (anonymous):
No worries.
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