设f(x)是定义在R上的偶函数,若f(x)在(0,+∞)是增函数,且f(2)=0,则

f(x)是定义在R上的偶函数,若f(x)(0+∞)是增函数,且f(2)=0,则不等式f(x+1)0的解集为_____________

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