Q.
The domain of the function fx=x2-x2, where [x] is the greatest integer less than or equal to x, is
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a
R
b
0,+∞
c
-∞,0
d
None of these
answer is D.
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Detailed Solution
x2-x2≥0 or x2≥x2This is true for all non-negative values of x and all negativeintegers x.
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