The function y = f (x) is a decreasing function on (- 1,1), and it is an odd function, satisfying that f (A's square-a-1) + F (A-2) > 0

The function y = f (x) is a decreasing function on (- 1,1), and it is an odd function, satisfying that f (A's square-a-1) + F (A-2) > 0

Odd function
f(a^2-a-1)＞-f(a-2)=f(2-a)
Decreasing function of y = f (x) on (- 1,1)
1＞2-a＞a^2-a-1＞-1
(1) 1 > 2-A to get a > 1
(2) 2-A ＞ a ^ 2-a-1: 3 ＞ a ^ 2, that is - √ 3

Elden Ring Premiere

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