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C4 Integration help

Could anyone guide me through this question (Part e)
Attachment not found


Find the integral.
(edited 6 years ago)
Reply 1
I can;t see the attachment
Reply 2
Original post by jsk800
Could anyone guide me through this question (Part e)
Attachment not found


Find the integral.


your attachment is not available
Original post by hancyk
your attachment is not available


Original post by moz4rt
I can;t see the attachment


✓(x²2sec²xtanx) dx

is the integral sign
Original post by jsk800
✓(x²2sec²xtanx) dx

is the integral sign


Use integration by parts with u=x2u= x^2 and v=sec2xtanxv' = \sec^2 x \tan x
Whats with the /
Original post by RDKGames
Use integration by parts with u=x2u= x^2 and v=sec2xtanxv' = \sec^2 x \tan x
Original post by jsk800
Whats with the /


I recommend you get off the TSR app if you want to view the maths forum.

The app doesn't display maths properly.
Reply 7
Original post by RDKGames
Use integration by parts with u=x2u= x^2 and v=sec2xtanxv' = \sec^2 x \tan x


I would recommend OP sets v=2sec2xtanx v'=2\sec^2 x\tan x
Original post by MR1999
I would recommend OP sets v=2sec2xtanx v'=2\sec^2 x\tan x


Really doesn't make that much of a difference...
(edited 6 years ago)
Reply 9
Original post by RDKGames
Really doesn't make that much of a difference...


I guess you're right. I just thought it might help OP who is already struggling.
Okay looks a lot different to the app

Original post by RDKGames
I recommend you get off the TSR app if you want to view the maths forum.

The app doesn't display maths properly.

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