CBSE Class 12 Math 2019 All India Set 1 Solved Paper

Question : 24 of 29

Marks: +1, -0

A={[\table 1 , 1 , 1 ; 0 , 1 , 3 ; 1 , -2 , 1]}

, find

A^{-1}

.
Hence, solve the following system of equations :

x+y+z=6

y+3 z=11

\;\text " and "\; x-2 y+z=0

OR
Find the inverse of the following matrix, using elementary transformations :

{\A}={[\table 2 , 3 , 1 ; 2 , 4 , 1 ; 3 , 7 , 2 ]}

Solution:

Go to Question:

Prev Question

Next Question