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已知函数
(Ⅰ)若曲线y=f(x)在点(1,f(1))处的切线的倾斜角为,求实数a的值;
(Ⅱ)若函数y=f(x)在区间(0,2]上单调递增,求实数实数a的范围.
(1)若曲线y=f(x)在点(1,f(1))处的切线的倾斜角为,求实数a的值;
(2)若函数y=f(x)在区间(0,2]上单调递增,求实数实数a的范围.