valeria2000 valeria2000

09-10-2015
Mathematics

contestada

What is each sum or difference?
(7-2i)+(-3+i)

(1+5i)-(3-2i)

(8+6i)-(8-6i)

(-3+9i)+(3+9i)

Respuesta :

Potato33 Potato33

09-10-2015

1. 4-i
2. -2+3i
3. 0
4. 18i

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