Saved Bookmarks
| 1. |
निम्न फलनों का समाकलन कीजिए - `x tan^2x` |
|
Answer» Correct Answer - `x tanx =logcosx -x^2/2` `int x tan^2x dx = int x (sec^2x-1)dx= intx sec^2x -int x dx` `=x int sec^2x dx -int{d/(dx)(x) intsec^2x dx }d x-1/2x^2` `=x tan x -int tanx d x -x^2/2=x tan x -logsec x -x^2/2` |
|