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fan&medal :) simplify the expression -6+i/-5+i
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@Vocaloid ?
you want to multiply denominator and numerator by -5 - i . so that denominator will no longer be complex number.
so 30 + i/25?
\[\frac{ (-6+i)(-5 - i) }{ (-5+i)(-5-i) }\] \[\frac{ 30 + 6i - 5i - i^2 }{ 25 - i^2 }\]
\[\frac{ 31 + i }{ 26 }\]
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\[\frac{ 31}{ 26 }+ \frac{i}{26}\]
oh! i get it. thank you!!!
bye
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