Skip to content

Question

If A=bmatrix x & 2 4 & 3 bmatrix and A ^-1=bmatrix 18 & -1 12 -1 6& 4 9 bmatrix , then find the value of x?

Options

Choose one · Correct answer highlighted

Explanation

Applying the basic concept, solving fully: apply relevant formula, put numbers, compute. Result comes as 32 3. Easy verification shows it satisfies condition.

Discussion

Comments

0 comments

No comments yet. Be the first to start the discussion.