填空题 <img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240620/14288052_0.png"><br/> <img border="0" alt="" src="https://tuku.weimei168.com/uploads/upimg/20240620/14288052_0_1.png"><br/> (1)求曲线y=f(x)；<br/> (2)求由曲线y=f(x)，y=0，x=1所围图形绕x轴旋转一周所得旋转体体积．