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ilovefood2064
25.06.2019 •
Mathematics
What is more ways to solve this problem. 3• + (-5)=19
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Ответ:
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