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 Potato33
  • 09-10-2015
1. 4-i
2. -2+3i
3. 0
4. 18i
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