Question

A unit matrix for the set of matrices $=\left\{\left[\begin{array}{ccc}x & x & x \ x & x & x \ x & x & x\end{array}ight], x \in R, x 
eq 0ight\}$ under multiplication is

Accepted Answer

$\left[\begin{array}{lll}\frac{1}{3} & \frac{1}{3} & \frac{1}{3} \ \frac{1}{3} & \frac{1}{3} & \frac{1}{3} \ \frac{1}{3} & \frac{1}{3} & \frac{1}{3}\end{array}ight]$

Answer

$\left[\begin{array}{lll}\frac{1}{2} & \frac{1}{2} & \frac{1}{2} \ \frac{1}{2} & \frac{1}{2} & \frac{1}{2} \ \frac{1}{2} & \frac{1}{2} & \frac{1}{2}\end{array}ight]$

Answer

$\left[\begin{array}{lll}1 & 1 & 1 \ 1 & 1 & 1 \ 1 & 1 & 1\end{array}ight]$

Answer

$\left[\begin{array}{lll}1 & 1 & 0 \ 0 & 1 & 0 \ 0 & 0 & 1\end{array}ight]$

JEE MATHEMATICS MCQ: MATRICES

More Questions from MATRICES