AITS -- FUNCTIONS --

let n>=2 be a fixed integers. f(x) be a bounded function definned in f:(0,a)->R satisfying f(x)=1/n2r=0 Σ(n-1)a f((x+r)/n) ...
then f(x) =

a) -f(x)
b) 2f(x)
c) f(2x)
d) nf(x)

6 Answers

62
Lokesh Verma ·

this is a wrong question...

cos (n-1)a has to be an integer...

!!

I dont know if this is the correct thing!

9
Celestine preetham ·

a b d imply f(x)=0 and result follows

i tink som mistake in Q

1
satan92 ·

celestine , you have missed the c option

as f(x)=0 for all x

f(x)=f(2x)=0!!

so the answer =a,b,c,d

1
AARTHI ·

yahthe qn is rite n my teacher slvd it perfectly in da class

9
Celestine preetham ·

satan u cant take option c

cos f(2x) will be out of domain for x>a/2

1
skygirl ·

i dun want answers dear(s) ... i have the ans..
i want method...
btw,,,, lemme tell all of you... the question IS wrong...
the fiitjee ppl themselves agreed... so ... am no more interested in a wrong question...

but i wud surely love to see how rightly u solved a wrong question to get the right answers... :P

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