1.

If f:R rarrR defined by f(x+y)=f(x)+f(y)-xy-1 for all x, y in R and f(1)=1 then the number of solution of f(x)+f(y)-xy-1 for all x, y in R and f(1)=1 then the number of solutions of f(n)=n, n in N is

Answer»

1
2
3
infinite

Answer :A


Discussion

No Comment Found

Related InterviewSolutions