Let A be a 3 × 3 matrix such that adj A= bmatrix 2&-1&1 -1&0&2 1&-2&-1 bmatrix and B = adj (adj A). If |A| =...

Question

Let A be a 3 × 3 matrix such that adj A= bmatrix 2&-1&1 -1&0&2 1&-2&-1 bmatrix and B = adj (adj A). If |A| = and |(B^ -1 )^T|= , then the ordered pair, (| |, ) is equal to :

Accepted Answer

(D)

JEE Main 2020 Mathematics question

Solution