integration by parts
with limits 1/2 pi and zero
[-3/2cos2x+3/4sin2x] is what i end up as my integral then when i sub the limits i keep getting a three for my answer. Can't get it to latex properly to show my working, but does that integral seem correct?
[-3/2cos2x+3/4sin2x] is what i end up as my integral then when i sub the limits i keep getting a three for my answer. Can't get it to latex properly to show my working, but does that integral seem correct?
Looks right.
Original post by Brit_Miller
Looks right.
am i just subbing in the limits wrong or something stupid like that; what do you get when you sub the limits into that?
Original post by Emissionspectra
am i just subbing in the limits wrong or something stupid like that; what do you get when you sub the limits into that?
I'll write it out, it just looked right looking at it, I'd better check.
Original post by Emissionspectra
with limits 1/2 pi and zero
[-3/2cos2x+3/4sin2x] is what i end up as my integral then when i sub the limits i keep getting a three for my answer. Can't get it to latex properly to show my working, but does that integral seem correct?
[-3/2cos2x+3/4sin2x] is what i end up as my integral then when i sub the limits i keep getting a three for my answer. Can't get it to latex properly to show my working, but does that integral seem correct?
I think ur missing an x here.
-(3/2)xcos(2x)Original post by Emissionspectra
with limits 1/2 pi and zero
[-3/2cos2x+3/4sin2x] is what i end up as my integral then when i sub the limits i keep getting a three for my answer. Can't get it to latex properly to show my working, but does that integral seem correct?
[-3/2cos2x+3/4sin2x] is what i end up as my integral then when i sub the limits i keep getting a three for my answer. Can't get it to latex properly to show my working, but does that integral seem correct?
Original post by Brit_Miller
Looks right.
Mistake here.
It should be,
Original post by SilentIdea
I think ur missing an x here.
Yep, just realised that when I wrote it out.
Original post by SilentIdea
I think ur missing an x here. -(3/2)xcos(2x)
-(3/2)xcos(2x)Ye i see it now urgh ah well got it correct now; thanks
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