7.1 Integration By Parts/65
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Revision as of 09:44, 16 December 2022 by Vanessav73764@students.laalliance.org (talk | contribs) (Created page with "<math> \begin{align} \int_{1}^{4}xf''(x)dx\\[2ex] u=x\qquad dv=f''\cdot\;(x)\qquad \\[2ex] du=dx\qquad v=f'(x)\qquad \\[2ex] x\cdot\;f'(x)\bigg|_{1}^{4}-\int_{1}^{4}f'(x)dx &= x\cdot\;f'(x)-f(x)\bigg|_{1}^{4}\\[2ex] &= (4\cdot\;f'(x)-f(4))-(1\cdot\;f'(1)-r(1))\\[2ex] &= (4\cdot\;3-7)-(5-2) \\[2ex] &= (12-7)-(3)\\[2ex] &=(5)-(3)\\[2ex] &=2 \end{align} </math>")
Failed to parse (Conversion error. Server ("https://en.wikipedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle {\begin{aligned}\int _{1}^{4}xf''(x)dx\\[2ex]u=x\qquad dv=f''\cdot \;(x)\qquad \\[2ex]du=dx\qquad v=f'(x)\qquad \\[2ex]x\cdot \;f'(x){\bigg |}_{1}^{4}-\int _{1}^{4}f'(x)dx&=x\cdot \;f'(x)-f(x){\bigg |}_{1}^{4}\\[2ex]&=(4\cdot \;f'(x)-f(4))-(1\cdot \;f'(1)-r(1))\\[2ex]&=(4\cdot \;3-7)-(5-2)\\[2ex]&=(12-7)-(3)\\[2ex]&=(5)-(3)\\[2ex]&=2\end{aligned}}}