Let a,b,c`in`R. If `f(x)=ax^2+bx+c` and `a+b+c=3` and `f(x+y)=f(x)+f(y)+xy` then `sum_(n=1)^10 f(n)` is

Let a,b,cR .If f(x)=ax^(2)+bx+c is such that a+b+c=3 and f(x+y)=f(x)+f(y)+xy,AA x,yR, then sum_(n=1)^(10)f(n) is equal to 190(2)255(3)330(4) 165 165

Let a,b,c in R. If f(x)=ax^(2)+bx+c is such that a +b+c=3. If f(x)=ax^(2)+bx+c is such f(x+y)=f(x)+f(y)+xy AA x,y in R then sum_(n=1)^(10)f(n) is equal to

Let a,b, c in R. " If " f(x)=ax^(2)+bx+c is such that a+b+c=3 and f(x+y)=f(x)+f(y)+xy, AA x,y in R, " then " sum_(n=1)^(10) f(n) is equal to

Let a,b,c in R.If f(x) = ax^2+bx +c is such that a +b+c =3 and f(x+y)=f(x)+f(y)+xy,AA x,y in R, then Sigma_(n=1)^(10) f(n) is equal to

Let a,b,c in R. " If " f(x) =ax^(2)+bx+c be such that a+b+c=3 and f(x+y)=f(x)+f(y)+xy, AA x,y in R, " then " sum_(n=1)^(10)f(n) is equal to

Let a,b, c in R. " If " f(x)=ax^(2)+bx+c is such that a+B+c=3 and f(x+y)=f(x)+f(y)+xy, AA x,y in R, " then " sum_(n=1)^(10) f(n) is equal to

Let a,b,c in R. " If " f(x) =ax^(2)+bx+c be such that a+b+c=3 and f(x+y)=f(x)+f(y)+xy, AA x,y in R, " then " sum_(n=1)^(10)f(n) is equal to

Let a, b, c in R . If f (x) = ax^(2) + bx + c is such that a + b + c = 3 and f(x + y) = f(x) + f(y) + xy, AA x, y in R, " then " sum_(n =1)^(10) f (n) is equal to

If f(x+y)=f(x).f(y) and f(1)=4 .Find sum_(r=1)^n f(r)