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Question

The function of f(x)=[x] where [x] the greatest integer function is continuous at

A
1.5
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B
4
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C
1
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D
2
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Solution

The correct option is A 1.5
The function f(x)=[x] is continuous for all x except all integral values of x
Hence it is continuous at x=1.5, which is not an integer.

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