A) i
B) \[-{{\omega }^{2}}\]
C) \[\omega \]
D) \[-i\]
Correct Answer: A
Solution :
We first operating \[{{R}_{3}}-2{{R}_{2}}\] and \[{{R}_{2}}-3{{R}_{1}}\] in given determinant, then we get \[=a[{{a}^{2}}+ab-2{{a}^{2}}-ab]=-{{a}^{3}}=i\].You need to login to perform this action.
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