If {\A}+ {\B}=\left[\begin{array}{cc}1 & 0 \ 1 & 1]\end{array} and {\A}-2 {\B}=\left[\begin{array}{cc}-1 & 1 \ 0 & -1]\end{array}, then {\A}= ____

CBSE Class 12 Math 2020 Delhi Set 1 Solved Paper - Question 12

Question : 12 of 36

Marks: +1, -0

{\A}+ {\B}={[\table 1 , 0 ; 1 , 1]}

and

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

, then

{\A}=

____

Solution:

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