If f(x)satisfies the relation f(x+ y) = f ( x) + f( y )for all x, y in – InterviewSolution

1.	If f(x)satisfies the relation f(x+ y) = f ( x) + f( y )for all x, y in R and f(1)= 5 then
Answer» `F(X)` is an odd function `f(x)` is an even function `sum_(r=1)^(m) f(r)=5^(m+1)C_(2)` `sum_(r=1)^(m) f(r)=(5m(m+2))/(3)` Answer :A::C

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