If `f(x+y)=f(x)+f(y)-x y-1AAx , y in Ra n df(1)=1,` then the number of solution of `f(n)=n , n in N ,` is 0 (b) 1 (c) 2 (d) more than 2

If f(x+y)=f(x)+f(y)-x y-1AAx , y in R and f(1)=1, then the number of solution of f(n)=n , n in N , is 0 (b) 1 (c) 2 (d) more than 2

If f(x+y)=f(x)+f(y)-xy-1 AA x, y in R and f(1)=1 then the number of solution of f(n)=n, n in N is

If (x+y)=f(x)+f(y)-xy-1AA x,y in R and f(1)=1f(x+y)=f(x)+f(y)-xy-1AA x,y in R and f(1)=1 then the number of solution of f(n)=n,n in N, is 0(b)1 (c) 2 (d) more than 2

If f(x+f(y))=f(x)+yAAx ,y in Ra n df(0)=1, then find the value of f(7)dot

If f(x+f(y))=f(x)+yAAx ,y in Ra n df(0)=1, then find the value of f(7)dot

If f(x+f(y))=f(x)+yAAx ,y in R a n df(0)=1, then find the value of f(7)dot

If f(x+f(y))=f(x)+yAAx ,y in R a n df(0)=1, then find the value of f(7)dot

If f(x) is a real valued functions satisfying f(x+y) = f(x) +f(y) -yx -1 for all x, y in R such that f(1)=1 then the number of solutions of f(n) = n,n in N , is

If f(x) is a real valued functions satisfying f(x+y) = f(x) +f(y) -yx -1 for all x, y in R such that f(1)=1 then the number of solutions of f(n) = n,n in N , is