To find the volume of the solid generated by rotating the region bounded by \( y = x^2 \) and \( y = 4x \) about the line \( y = 4 \), we use the cylindrical shell method. Here's the step-by-step solu
2025年《热血江湖》挂机赚钱全攻略:真实玩家亲测有效的方法 一、别再被"挂机=稳赚"的骗局忽悠了...
- 2025-06-02
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