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Q)Let f:(4,6)-->(6,8) be a function defined by f(x)=x+ [x/2](where [.] denotes the greatest integer function),then f -1 is equal to a)x-[x/2] b)-x-2 c)x-2 d)1/(x+[x/2]) Sir,plz solve this .

Q)Let f:(4,6)-->(6,8) be a function defined by f(x)=x+ [x/2](where [.] denotes the greatest integer function),then f-1 is equal to 
a)x-[x/2]  b)-x-2  c)x-2   d)1/(x+[x/2])
Sir,plz solve this .

Grade:11

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