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eistein+newton+gallileo=_me
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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
eistein+newton+gallileo=_me Group Title
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

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

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

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

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

TBates Group TitleBest ResponseYou've already chosen the best response.2
the second one I have
 2 years ago

lalaly Group TitleBest 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

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

TBates Group TitleBest 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=_me Group TitleBest ResponseYou've already chosen the best response.0
thanx guys and number 3?
 2 years ago

lalaly Group TitleBest ResponseYou've already chosen the best response.1
u= sqrtx du = 1/(2sqrtx) \[2 \int\limits{sinu du}\]
 2 years ago
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