6.2 Volumes/1: Difference between revisions
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y=2-\frac{1}{2}x, x-axis | y=2-\frac{1}{2}x, x-axis | ||
y=0 | y=0 | ||
x=1 | x=1 | ||
x=2 | x=2 | ||
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Revision as of 03:20, 24 November 2022
Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://en.wikipedia.org/api/rest_v1/":): {\displaystyle y=2-\frac{1}{2}x, x-axis y=0 x=1 x=2 }
Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://en.wikipedia.org/api/rest_v1/":): {\displaystyle \begin{align} \pi\int_1^2\left[(2-\frac{1}{2})^{2}\right]dy & = \pi\int_1^2\left[(4-2x+\frac{1}{4}x^2)\right]dy = \pi\int_0^1\left[(2y^2-y^4)\right]dy \\[2ex] &= \pi\left[\frac{2y^3}{3}-\frac{y^5}{5}\right]\Bigg|_0^1 \\[2ex] &= \pi\left[\frac{2}{3}-\frac{1}{5}\right]= \pi\left[\frac{10}{15}-\frac{3}{15}\right] \\[2ex] &= \frac{7\pi}{15} \end{align} }