Samo098 Samo098

11-04-2016
Mathematics

contestada

Please help menti di this (3+4i)(4-3i)

Respuesta :

Panoyin Panoyin

12-04-2016

(3 + 4i)(4 - 3i)
3(4 - 3i) + 4i(4 - 3i)
3(4) - 3(3i) + 4i(4) - 4i(3i)
12 - 9i + 16i - 12i^2
12 + 7i - 12(-1)
12 + 7i + 12
12 + 12 + 7i
24 + 7i

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