If ∆_{1}=| able 1 , p , q ; 1 , q , r ; 1 , r , p| and ∆_{2}=| able 1 , 1 , 1 ; q , r , p ; r , p , q| where p
eq q
eq r, then ∆_{1}+∆_{2} is [NDA-I 2022]

Question

If ∆_{1}=|	able 1 , p , q ; 1 , q , r ; 1 , r , p| and ∆_{2}=|	able 1 , 1 , 1 ; q , r , p ; r , p , q| where p 
eq q 
eq r, then ∆_{1}+∆_{2} is [NDA-I 2022]

Examsnet · Accepted Answer

Correct Answer is : always negative

UPSC NDA I 2022 Mathematics Solved Paper