Complex Addition is Commutative/Examples/(3 + 2i) + (-7 - i)
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Example of Use of Complex Addition is Commutative
Example: $\paren {3 + 2 i} + \paren {-7 - i}$
- $\paren {3 + 2 i} + \paren {-7 - i} = -4 + i$
Example: $\paren {-7 - i} + \paren {3 + 2 i}$
- $\paren {-7 - i} + \paren {3 + 2 i} = -4 + i$
As can be seen:
- $\paren {3 + 2 i} + \paren {-7 - i} = \paren {-7 - i} + \paren {3 + 2 i}$
$\blacksquare$
Sources
- 1981: Murray R. Spiegel: Theory and Problems of Complex Variables (SI ed.) ... (previous) ... (next): $1$: Complex Numbers: Solved Problems: Fundamental Operations with Complex Numbers: $1$