Ответ:
r=4
r=
2
−3−
−27
=
−3−3i
3
=−1.5000−2.5981i
−3+
−3+3i
=−1.5000+2.5981i
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Ответ:
r=4
r=
2
−3−
−27
=
2
−3−3i
3
=−1.5000−2.5981i
r=
2
−3+
−27
=
2
−3+3i
3
=−1.5000+2.5981i