aadas1363 aadas1363

22-04-2020
Mathematics

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what is the different of the complex number ? (3+7i)-(-4-2i)

Respuesta :

jimrgrant1 jimrgrant1

22-04-2020

Answer:

7 + 9i

Step-by-step explanation:

Given

(3 + 7i) - 1(- 4 - 2i) ← distribute both parenthesis

= 3 + 7i + 4 + 2i ← collect like terms

= 7 + 9i

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