Let f ( x ) = [ x ] = the greatest integer less than or equal to x and g ( x ) = x – [ x…
Mathematics · JEE Advanced · NTA Exams — Sets, Relations and Functions
Let f (x) = [x] = the greatest integer less than or equal to x and g(x) = x – [x]. Then for any two real numbers x and y.
- f (x + y) = f (x) + f (y)
- g(x + y) = g(x) + g(y)
- f (x + y) = f (x) + f (y + g(x))
- none of these
Answer
(C) f ( x + y) = f ( x ) + f (y + g ( x ))
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