UPSC NDA II 2018 Mathematics Solved Paper

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Question : 72 of 120

Marks: +1, -0

If f(x)=

√x−1

x−4

defines a function of R, then what is its domain?

[NDA II 2018]

(−∞,4)∪(4,∞)
[4,∞]
(1,4)∪(4,∞)
[1,4)∪(4,∞)

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