Let A=[2 b 1; b b²+1 b; 1 b 2]... | Determinants

JEE MAIN 2019

10-01-2019 S2

Question

Let $A=\left[\begin{array}{ccc}2 & b & 1 \\ b & b^2+1 & b \\ 1 & b & 2\end{array}\right]$ where $b>0$. Then find minimum value of $\frac{|A|}{b}$ is

Select the correct option:

$-\sqrt{3}$

$\sqrt{3}$

$2 \sqrt{3}$

$-2 \sqrt{3}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Medium

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