Let p, q and r be three distinct positive real numbers. If \D=|\table p,q,r;q,r,p;r,p,q|, then which one of the following is correct? [NDA-I 2020]

UPSC NDA I and II 2020 Math Solved Paper

Question : 3 of 120

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Let p, q and r be three distinct positive real numbers. If D=|

|, then which one of the following is correct?

[NDA-I 2020]

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