Millionaire Mode

Multiplicative inverse of a matrix - class-XII

Question 1 of 62

Find the inverse f the following matrices by using transformation method.

  1. $\begin{bmatrix}
    1 &2 \\
    2 &-1
    \end{bmatrix}$
  2. $\begin{bmatrix}
    2 &-3 \\
    -1 &2
    \end{bmatrix}$
  3. $\begin{bmatrix}
    0& 1 &2 \\
    1& 2 &3 \\
    3& 1 &1
    \end{bmatrix}$
  4. $\begin{bmatrix}
    2& 0 &-1 \\
    5& 1 &0 \\
    0& 1 &3
    \end{bmatrix}$

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000