need help for solving this

[lost jewel]

I solved a little bit but I am stuck.

[lost jewel]

This is what I have lastly

[primal ivy]

you could take root x as t

and solve

[raven fern]

That's what they already did

[raven fern]

Now do integration by parts twice

[primal ivy]

use this formula where u=t^2 and v=e^t

[lost jewel]

oh thanks I didn't know this. I will try it now

[primal ivy]

welcome

[lost jewel]

Thank you all. I guess I found it (what an ugly answer tho)

[slate mortar]

.close