UPSC CDS 1 2018 Math Paper

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Question : 19 of 100

Marks: +1, -0

What is the value of

1

1+xb−a+xc−a

+

1

1+xa−b+xc−a

+

1

1+xa−c+xb−c

where x ≠ 0 ?

[2018 CDS-I]

-1
0
1
3

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