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then you will multiply it by the derivative of the inside.. cos(x^2 + Ln(x+e^x) * 2x+1/x+e^x

keep in mind that the derivative of ln(x) is 1/x and e^x is e^x

thank you so much! really helps

no problem.. I actually just had my final exam on that course :P

Calculus concepts and contexts by James Stewart

ya me its the 4th edition

now just a practice exam, my prof was terrrrible to be honest.

Oh trust me.. I failed it the first time I did this course.. they are All horrible.. lol

so then would the intergral of arctan x dx, just be 1/1+x^2?

Exaaaaaaaaaaaaaaaaactly!

ya haha thats how i found it.

kk so if u dont mind can i ask u another question?

no sure go ahead

integral of t^2e^3t, how do i proceed? do i simplify it first?

ya i knwo that, its because there multiplied that im confused :S

yeah thats what im checking up on lol

i think it has to do with substitution. but dont know how to do taht yet ha. pelletty. lol

nope

im telling you ym prof was useless.

thanks man, i really appreciate it

no problem.. I know exactly how u feel lol..

how do you intergrate e^3t

its e^3t/3

everytime?, because won't the exponent increment?

well yeah,. actually... I have no idea.. but I would do it that way.. sorry man

it's cool man, uve been a good help. thnx again!

Im glad to help really good luck!