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(本小题满分13分)已知. (1)求函数的单调区间; (2)若对任意恒成立,求实...

(本小题满分13分)已知6ec8aac122bd4f6e.

(1)求函数6ec8aac122bd4f6e的单调区间;

(2)若对任意6ec8aac122bd4f6e恒成立,求实数a的取值范围.

 

【解析】 (1) 令  ∴    ∴ 由于的定义域为, ∴ 在单调递减,在单调递增··············································· 6分 (2) ,由于 当x = 1时, ∴ ·························································································· 13分 【解析】略
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