warq
warq
07-10-2016
Mathematics
contestada
(7 − 3i) • (2 − i) 4 i 14 3i 11 − 13i < 14 − 10i
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Аноним
Аноним
07-10-2016
So... We distribute so that... 7 * 2 = 14 7 * i = 7i then -3i * 2 = -6i -3i * -i = 3i?
then combine like terms... 7i - 6i + 3i = 4i so 14 + 4i?
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