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Question

The domain of definition of the function y=325197[x21x1]

A
(1,)
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B
[1,)
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C
Set of all real numbers
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D
(,1)(1,)
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Solution

The correct option is A (1,)

y=325197[x21x1]
For y to be defined,
x10
x1
xR{1}(i)
x1>0
x>1
x(1,)(ii)
x21>0
x2>1
x(,1)(1,)(iii)
All above the conditions must satisfy
x(1,)


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