[填空题]
The diagram below showspeev i:*z) ;w2ym wpl,zm.b j(z vt8k6 the ew5w.)pm0oztxl:p+ (h sg/ mngraphs of functions $y=5-3 x^{3}$ and $y=2 x^{4}$ .
1. Find the volume resulting from a rotation of the region shown in the diagram through $2 \pi$ about the x -axis.V≈ (one decimal pleaces)
2. Find the volume resulting from a rotation of the region shown in the diagram through $2 \pi $ about the y -axis.V≈ (two decimal pleaces)
