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2 \pi \int_{0}^{1} y\left(\frac{y}{3}-\left(\frac{y}{3}\right)^{1 / 5}\right) d y 2=\int_{0}^{3} x\left(3-3 x^{5}\right) d x 2 \pi \int_{0}^{3} y\left(3 y^{5}\right) d y Which of the following is the correct integral to find the volume by disk method \pi \int_{0}^{1}\left(3^{2}-3^{2} z^{25}\right) d x =\int_{0}^{1} y^{2}\left(3^{2} y^{25}\right) d y =\int_{0}^{1} y^{2}\left(\frac{y^{2}}{3^{2}}-\left(\frac{y}{3}\right)^{2 / 5}\right) d y Q \pi \int_{0}^{1}\left(\frac{y}{3}\right)^{2 / 5} d y \pi \int_{0}^{3}\left(\frac{y}{3}\right)^{2 / 5} d y

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