If f : R → R is such that f (x + y) = f (x) + f (y) for all x , y ∊ R , f (1) = 7 and \sum^{n}_{r=1} f (r) = 14112 , then n =

AP EAMCET Engineering 2018 Apr 23 Shift 1 Paper

Section: Mathematics

Question : 2 of 160

Marks: +1, -0

If f : R → R is such that f (x + y) = f (x) + f (y) for all x , y ∊ R , f (1) = 7 and

r=1

f (r) = 14112 , then n =

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