If ∆_{1}=\left|\begin{array}{ccc}1 & 0 & 0 \ 0 & 2 & 0 \ 0 ...

CBSE Class 12 Math 2026 All Sets Solved Paper

Question : 4 of 20

Marks: +1, -0

∆_{1}={|\table 1 , 0 , 0 ; 0 , 2 , 0 ; 0 , 0 , 3|}

and

∆_{2}={|\table 0 , 2 , 0 ; 1 , 0 , 0 ; 0 , 0 , 6|}

, then

Solution:

∆_{1}={|\table 1 , 0 , 0 ; 0 , 2 , 0 ; 0 , 0 , 3|}=1(6)=6

∆_{2}={|\table 0 , 2 , 0 ; 1 , 0 , 0 ; 0 , 0 , 6|}=-2(6)=-12

∆_{2}=-2 ∆_{1}

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