UPSC NDA 2 2021 Mathematics Solved Paper

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Question : 49 of 120

Marks: +1, -0

If
x=‌

a

b−c

,‌‌y=‌

b

c−a

,‌‌z=‌

c

a−b

then what is the value of the following?
|

1	−x	x
1	1	−y
1	z	1

|

[NDA-II 2021]

0
1
abc
ab+bc+ca

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