March 27, 2023

## Greatest Integer Function

The Greatest integer function is defined as   ,   where    denotes the greatest integer that is less than or equal to . In set  notation we would write this as   . It is also called the floor function  and step function. Example.  ,      and Domain and Range of …

## Set Theory(NCERT Exemplar )

Here we have given the solutions of  some important questions of chapter 1 (Set Theory) of NCERT Exemplar book . Short answer type questions 1. Write the following sets in the roaster  form (i) (ii) (iii) Sol. (i) On solving the equation      , we get  Thus     . …

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