Find-all-real-values-of-a-such-that-f-x-x-2-ax-1-x-2-x-1-is-surjective-f-

Question Number 142936 by Snail last updated on 07/Jun/21

F i n d a l l r e a l v a l u e s o f a s u c h t h a t f (x) = \frac{x^{2} + a x + 1}{x^{2} + x + 1}

i s s u r j e c t i v e f : ℜ \Rightarrow ℜ