IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => GCE AS & A2 Level => Math => Topic started by: astarmathsandphysics on December 10, 2009, 03:10:40 pm

Title: tricky integration
Post by: astarmathsandphysics on December 10, 2009, 03:10:40 pm

integrate sqrt(e^-x)sqrt(1+sqrt(e^-x))

Title: Re: tricky integration
Post by: 7ooD on December 24, 2009, 01:27:15 am

wat za hollllll it iz relly tricky can u explain plz how u got the 1/4 sqrt(e^-x)sqrt(1+sqrt(e^-x)) or the whole process cuz i solved it my way and i got 2e^(.5x)-xe^(-x)

Title: Re: tricky integration
Post by: astarmathsandphysics on December 24, 2009, 09:19:53 am

I did this a few days ago. Will post the link when I get up

Title: Re: tricky integration
Post by: astarmathsandphysics on December 24, 2009, 09:22:00 am

I didnt realize I answered it here. Make the substitution in the attachment.