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Sir what is the range of f(x)=(-1)^[x] ,wher [] denotes greatest integer function.
Dear Yojana
[x] cantake only integer values that will be either odd or even. so (-1)[x] can take only two values -1 and 1
range is {-1, 1}
All the best.
AKASH GOYAL
AskiitiansExpert-IITD
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