Solution 3.1:1a
From Förberedande kurs i matematik 2
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- | {{ | + | When two complex numbers are added, we add their real and imaginary parts together |
- | + | ||
- | + | {{Displayed math||<math>\begin{align} | |
+ | (5-2i)+(3+5i) | ||
+ | &= (5+3)+(-2i+5i)\\ | ||
+ | &= 8+(-2+5)i\\ | ||
+ | &= 8+3i\,\textrm{.} | ||
+ | \end{align}</math>}} |
Current revision
When two complex numbers are added, we add their real and imaginary parts together
\displaystyle \begin{align}
(5-2i)+(3+5i) &= (5+3)+(-2i+5i)\\ &= 8+(-2+5)i\\ &= 8+3i\,\textrm{.} \end{align} |