A) \[2\sqrt{3}\]
B) \[-2\sqrt{3}\]
C) \[-\sqrt{3}\]
D) \[\sqrt{3}\]
Correct Answer: A
Solution :
Det \[A={{b}^{2}}+3\] |
\[\frac{\det A}{b}=b+\frac{3}{b}\] |
\[\therefore \] Least value \[=2\sqrt{3}.\] |
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