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Can anyone help me with this problem: Integrate ((x1)/(sqrt x))dx. I realize that I can separate the integral with subtraction because that's one of the rules for integrals, but once I do that I have [(x*x^(1/2))+x^(1/2)]dx . I don't know what to do with the first part of the quantity because of the multiplication.
 2 years ago
 2 years ago
Can anyone help me with this problem: Integrate ((x1)/(sqrt x))dx. I realize that I can separate the integral with subtraction because that's one of the rules for integrals, but once I do that I have [(x*x^(1/2))+x^(1/2)]dx . I don't know what to do with the first part of the quantity because of the multiplication.
 2 years ago
 2 years ago

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jlengyelBest ResponseYou've already chosen the best response.0
You can use substitution. Plug in \[u = \sqrt{x}\] and \[du = \frac{1}{2\sqrt{x}}\] Now, you can plug this back in to your integral. This next part may be a little confusing, but give it some thought. \[2\int\limits (u^{2}  1) du\] Solve that, and don't forget to plug in your u.
 2 years ago

adeniytaBest ResponseYou've already chosen the best response.0
Thank you for your help.
 2 years ago

aurao2003Best ResponseYou've already chosen the best response.0
You can also use the substitution U = X. Its probably easier if you are not very comfortable with differentiating powers.
 2 years ago
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