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Addera och subtrahera komplexa tal

När man adderar två komplexa tal adderas realdelarna för sig och imaginärdelarna för sig. Man gör på liknande sätt vid subtraktion av komplexa tal, men då subtraherar man istället.

(a+bi)+(c+di)=(a+c)+(b+d)i

(a+bi)−(c+di)=(a−c)+(b−d)i

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