logo

Ask Questions, Get Answers

 
X
 Search
Want to ask us a question? Click here
Ad
0 votes

If Matrix A = $\begin{bmatrix} 2 &-2 \\ -2 & 2 \end{bmatrix}$, and $A^2=pA$, then write the value of $p$.

Can you answer this question?
 
 

1 Answer

0 votes
$A=\begin{bmatrix} 2 & -2 \\ -2 & 2 \end{bmatrix}$
$A^2=\begin{bmatrix} 4 & -4 \\ -4 & 4 \end{bmatrix}=2\begin{bmatrix} 2 & -2 \\ -2 & 2 \end{bmatrix}$
$A^2=PA \qquad =>P=2$
answered Mar 22, 2013 by meena.p
 

Related questions

Ask Question
student study plans
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...