7.1 Integration By Parts/65: Difference between revisions
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x\cdot\;f'(x)\bigg|_{1}^{4}-\int_{1}^{4}f'(x)dx &= x\cdot\;f'(x)-f(x)\bigg|_{1}^{4}\\[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'( | &= (4\cdot\;f'(4)-f(4))-(1\cdot\;f'(1)-f(1))\\[2ex] | ||
&= (4\cdot\;3-7)-(5-2) \\[2ex] | &= (4\cdot\;3-7)-(5-2) \\[2ex] |
Revision as of 09:46, 16 December 2022