UPSC CDS 1 2018 Math Paper

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Question : 3 of 100

Marks: +1, -0

If x=y

1

a

,y=z

1

b

and z=x

1

c

where x≠1,y≠1,z≠1, then what is the value of abc ?

[2018 CDS-I]

−1
1
0
3

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