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maggiemae3645
08.02.2021 •
Mathematics
Simplify the following Complex Numbers.
\frac{1-3i}{2+5i}
2+5i
1−3i
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Ответ:
Step-by-step explanation:
You need to multiply the numerator and denominator by the conjugate of
2 + 5i, which is 2 - 5i
So,![\frac{(1 - 3i)(2 - 5i)}{(2 + 5i)(2 - 5i)} = \frac{2 - 11i - 15}{4 +25} = \frac{-13 - 11i}{29}](/tpl/images/1102/3127/f1d9f.png)
Ответ:
4+0/2 , 0+-2/2
(2,-1)