A) \[\pm \,3\sqrt{3}\]
B) \[+3\]
C) \[+9\]
D) \[+\sqrt{3}\] and \[-\sqrt{3}\]
Correct Answer: A
Solution :
| \[p\left( z \right)=0\] |
| \[{{z}^{2}}-27=0\] |
| \[{{z}^{2}}=27\] |
| \[{{\left( z \right)}^{2}}=27\] |
| \[z=\pm 3\sqrt{3}\] |
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