# If f(x)= 25^x / ( 25^x + 5 ) then find f(1/99) + f(2/99) + f(3/99) ..... + f(98/99)?

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(a) 49
(b) 48
(c) 99
(d) 1

posted May 12, 2015

here f(a/99) + f(1 - a/99) =1
=== f(1/99) + f(98/99) = 1
====f(2/99) + f(97/99) = 1
......................
.... so we get 49 as answer

answer May 21, 2015

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