Let A = bmatrix 2 & b & 1 b & b^2 + 1 & b 1 & b & 2 bmatrix where b 0. Then the minimum value of (A) b is:

Question

Let A = bmatrix 2 & b & 1 b & b^2 + 1 & b 1 & b & 2 bmatrix where b > 0. Then the minimum value of (A) b is:

Accepted Answer

(D)

JEE Main 2019 Mathematics question