If A= \begin{bmatrix} 8 & 2\\ 3 & 2 \end{bmatrix},  then find \left | adj\, A \right |\cdot

 

 

 

 
 
 
 
 

Answers (1)

Here A= \begin{bmatrix} 8 & 2\\ 3&2 \end{bmatrix}\; \; \; \left | A \right |=\begin{bmatrix} 8 & 2\\ 3&2 \end{bmatrix} = 16-6= 10
          \therefore \left | adj\, A \right |= \left | A \right |^{2-1}= 10   

Preparation Products

Knockout NEET May 2021 (One Month)

An exhaustive E-learning program for the complete preparation of NEET..

₹ 14000/- ₹ 6999/-
Buy Now
Foundation 2021 Class 10th Maths

Master Maths with "Foundation course for class 10th" -AI Enabled Personalized Coaching -200+ Video lectures -Chapter-wise tests.

₹ 350/- ₹ 112/-
Buy Now
Knockout JEE Main April 2021 (One Month)

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 14000/- ₹ 6999/-
Buy Now
Knockout NEET May 2021

An exhaustive E-learning program for the complete preparation of NEET..

₹ 22999/- ₹ 14999/-
Buy Now
Knockout JEE Main April 2021

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 22999/- ₹ 14999/-
Buy Now
Boost your Preparation for JEE Main with our Foundation Course
 
Exams
Articles
Questions