duduye2000osklob duduye2000osklob

04-07-2017
Mathematics

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If a = 2 + i, and b = 3 – 2i, whats b/a?

Respuesta :

ghanami ghanami

04-07-2017

hello :
b/a = (3-2i)/(2+i)
= (3-2i)(2-i)/(2+i)(2-i)
= (3-2i)(2-i)/(2²-i²) .......i² = -1
= (6-3i-4i -2)/5
=(4 -7i)/5
b/a = (4/5)-(7/5) i

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