Предмет: Математика, автор: ambarcumansuzanna

вычислите (1+i)(2+i)+ 5/(1+2i)

Ответы

Автор ответа: Binela

3

$2 + i + 2i + {i}^{2} \: + \frac{5}{1 + 2i} \: = 2 + i$

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