If ∆(a, b, c, \alpha)=0 for every \alpha>0, then which one of the following is correct ? [NDA I 2023]

Correct Answer is : a,b,c are in GP

UPSC NDA I 2023 Mathematics Solved Paper

Consider the following for the next two (02) items that follow :
Let ∆(a,b,c,α)=|

[NDA I 2023]

Question : 51 of 120

Marks: +1, -0

If ∆(a,b,c,α)=0 for every α>0, then which one of the following is correct ?

[NDA I 2023]

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