Asked by ACDub
Use u-substitute to compute the following:
A) ∫((x)/((x^2)+5)) dx
B) ∫((sin(ln(x)))/(x)) dx
A) ∫((x)/((x^2)+5)) dx
B) ∫((sin(ln(x)))/(x)) dx
Answers
Answered by
Steve
u = x^2+5
du = 2x dx
So, your integral is now
1/2 ∫ du/u
u= lnx
du = 1/x dx
∫sin(u) du
du = 2x dx
So, your integral is now
1/2 ∫ du/u
u= lnx
du = 1/x dx
∫sin(u) du
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