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OpenStudy (anonymous):
How would you solve 10/8-5i ?
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geerky42 (geerky42):
Multiply both numerator and denominator by \(8+5i\)
geerky42 (geerky42):
Like this:\[\dfrac{10}{8-5i}\cdot\dfrac{8+5i}{8+5i} ~~=~~\dfrac{10(8+5i)}{(8-5i)(8+5i)} \]
OpenStudy (anonymous):
thank you so much
geerky42 (geerky42):
Yep
OpenStudy (anonymous):
ok, thanks
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OpenStudy (anonymous):
i meant 80+50i/89 but, thanks
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