2. Let f be a continuous function defined on interval[a,b]. If f (a) f (b) − f (a) − f (b) +1＜0 , t
問題詳情
2. Let f be a continuous function defined on interval[a,b]. If f (a) f (b) − f (a) − f (b) +1＜0 , then there exists a number cbetween a and b such that f(c) =1 . (A)O (B)X