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22 thg 10, 2006 · How to do integral for Cos (x^2)dx? Is there a chain rule for integral? Coz sometimes when I approach questions like that i just don't know how to...
29 thg 3, 2014 · Hi everyone, First of all, this isn't really a 'homework', I've completed my calculus course and I'm just curious about this problem. Homework Statement …
13 thg 12, 2010 · Homework Statement try ∫∫G x^2 dA ;value is the region bounded by the ellipse 9x^2+4y^2=36 Homework Equations The Attempt at a Solution i think i have to change the …
5 thg 12, 2003 · Could someone please help me with the integral of 2^x. dx I bet its really simple but i have looked in several books and they just give the answer.
9 thg 11, 2006 · What happened to the exponential after you integrated by parts? And have you tried their suggestion for i and iii? You can move the d/da inside the integral (justifying this is a …
28 thg 4, 2004 · Do anyone have an idea how to calculate integral of (cos x)^2 ? Or is it even possible? I tried some substitutions and/or rules of trigonometry, like cosxcosx+sinxsinx=1, but it …
30 thg 9, 2021 · You can always check your work with an indefinite integral by differentiating your answer. If you do this and get the original integrand, your work is correct. Note that ln | x 2 + 2 | …
14 thg 6, 2004 · This integral can be done the same way that the integral of exp (-x 2) can be done. First, write the integral of x 2 exp (-x 2) from zero to infinity. Then write the integral of y 2 exp (-y …
4 thg 9, 2008 · Well, so I really want to integrate what's shown in the title: i.e. \\int \\frac{dx}{(x^2+y^2)^\\frac{3}{2}} Now, I know there are quite a few straightforward answers to …
9 thg 10, 2011 · Making substitution for x^2 still leaves a factor x in the denominator since u = x^2 implies du = 2 x dx. The result then would give a square root of u in the integral, which I cannot …
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