Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
please help me solve these using u substitution ( please show the workings) 1. e^x(root(1+e^x))
2.xtan(x^2)
3 sin(rootx)/rootx
 2 years ago
 2 years ago
please help me solve these using u substitution ( please show the workings) 1. e^x(root(1+e^x)) 2.xtan(x^2) 3 sin(rootx)/rootx
 2 years ago
 2 years ago

This Question is Closed

TBatesBest ResponseYou've already chosen the best response.2
Are you looking to take a derivative?
 2 years ago

AndrasBest ResponseYou've already chosen the best response.0
My guess would be the integral
 2 years ago

eistein+newton+gallileo=_meBest ResponseYou've already chosen the best response.0
please integrate them through u subs
 2 years ago

AndrasBest ResponseYou've already chosen the best response.0
OK, which one are u doing tbates?
 2 years ago

lalalyBest ResponseYou've already chosen the best response.1
1. u = 1+e^x du = e^x dx so \[\int\limits{\sqrt{u}du}\]
 2 years ago

lalalyBest ResponseYou've already chosen the best response.1
2. u= x^2 du= 2xdx \[\frac{1}{2} \int\limits{tanu du}\]
 2 years ago

TBatesBest ResponseYou've already chosen the best response.2
On the second one set u=x^2 du = 2x dx du/2=2xdx Sub in: tan(u)/2 du The integral of tan(u)/2 (1/2)lncos u + C Plug back in for x (1/2)lncos x^2 + C
 2 years ago

eistein+newton+gallileo=_meBest ResponseYou've already chosen the best response.0
thanx guys and number 3?
 2 years ago

lalalyBest ResponseYou've already chosen the best response.1
u= sqrtx du = 1/(2sqrtx) \[2 \int\limits{sinu du}\]
 2 years ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.