5.5 The Substitution Rule/7: Difference between revisions

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Line 1: Line 1:
<math>
<math>
\int\xsin(x^{2})dx
\int\xsin{x^{2}}dx
</math>
</math>


Line 7: Line 7:
u &=x^{2} \\[2ex]
u &=x^{2} \\[2ex]
du &=2xdx \\[2ex]
du &=2xdx \\[2ex]
\frac{1}{2}du=dx
\frac{1}{2}du &=dx \\[2ex]


\end{align}
\end{align}
Line 15: Line 15:
\begin{align}
\begin{align}


\int\xsin(x^{2})dx &=
\int\xsin{x^{2}}dx &=\frac{1}{2}\int\sin{u}du \\[2ex]
 
&= -\frac{1}{2}cos{u}+C
&= -\frac{1}{2}cos{x^{2}}+C


\end{align}
\end{align}
</math>
</math>

Revision as of 16:51, 7 September 2022

Failed to parse (unknown function "\xsin"): {\displaystyle \int\xsin{x^{2}}dx }

Failed to parse (unknown function "\xsin"): {\displaystyle \begin{align} \int\xsin{x^{2}}dx &=\frac{1}{2}\int\sin{u}du \\[2ex] &= -\frac{1}{2}cos{u}+C &= -\frac{1}{2}cos{x^{2}}+C \end{align} }