Mathematics, 27.01.2020 07:31 u8p4

Z
4
+11z
2
+28
3z
6
+21z
4

=start fraction, 3, z, start superscript, 6, end superscript, plus, 21, z, start superscript, 4, end superscript, divided by, z, start superscript, 4, end superscript, plus, 11, z, squared, plus, 28, end fraction, equals
which real values of zzz make the expression undefined?

Answers: 3

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Z
4
+11z
2
+28
3z
6
+21z
4

=s...

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