For two matrices P=\left[\begin{array}{cc}3 & 4 \ -1 & 2 \ ...

CBSE Class 12 Math 2022 Term I Solved Paper

Question : 20 of 50

Marks: +1, -0

For two matrices

P={[\table 3 , 4 ; -1 , 2 ; 0 , 1]}

and

Q^T={[\table -1 , 2 , 1 ; 1 , 2 , 3]}

\bo {P}-\bo {Q}

Solution: 👈: Video Solution

Here,

Q= (Q^T) ^T={[\table -1 , 1 ; 2 , 2 ; 1 , 3 ]}

Now,

P-Q\;={[\table 3 , 4 ; -1 , 2 ; 0 , 1 ]}-{[\table -1 , 1 ; 2 , 2 ; 1 , 3 ]}

\;={[\table 4 , 3 ; -3 , 0 ; -1 , -2 ]}

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