HSC Commerce 12th Board ExamMaharashtra State Board
Share
Notifications

View all notifications
Books Shortlist
Your shortlist is empty

Solution for evaluate : ∫x cosx dx - HSC Commerce 12th Board Exam - Mathematics and Statistics

Login
Create free account


      Forgot password?

Question

evaluate : `int xcosxdx`

Solution

`"Let " I=int x cosx dx`

integrating by parts

`I=x int cosx dx-int[d/dx(x)int cosxdx]dx`

`=xsinx-int(sinx)dx+c`

`=xsinx-(-cosx)+c`

`=xsinx+cosx+c`

  Is there an error in this question or solution?

APPEARS IN

 2014-2015 (March) (with solutions)
Question 1.8 | 2.00 marks
Solution evaluate : ∫x cosx dx Concept: Indefinite Integration - Integration by Parts.
S
View in app×