[tex]\int 4x cos(2x)[/tex](adsbygoogle = window.adsbygoogle || []).push({});

using integration by parts...

u=4x

du= 4

dv=cos(2x)

v=cos(x)sin(x)

using the formula uv - [tex]\int[/tex]v*du....

4x*cos(x)sin(x) - [tex]\int[/tex]cos(x)sin(x)*4x

hmm i cant seem to finish this problem, can someone help? and am i doing it correctly so far?

**Physics Forums - The Fusion of Science and Community**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Using Integration by parts

Loading...

Similar Threads - Using Integration parts | Date |
---|---|

Linear equations - use of integrating factor | Nov 24, 2012 |

How can I solve this without using integrating factor? | Nov 15, 2012 |

Help with ODE using an integrating factor | Feb 11, 2012 |

Using an integrating factor properly | Feb 1, 2012 |

First order non-separable linear deq's using an integration factor? | Jan 22, 2012 |

**Physics Forums - The Fusion of Science and Community**