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Help with integration math problem?
can someone please help me with this problem, it says to evaluate the integral;
[ln(x)+5]^2 over x
I've just taken my math final and this problem was on the test, I don't have a class again after this therefore I wont have an opportunity to find out what the correct answer was so if someone could please show me how to correctly do this problem it would be much appreciated
tia
1 Answer
- ?Lv 78 years agoFavorite Answer
Let u = ln(x) + 5. Then du = dx/x
∫(ln(x) + 5)² dx/x = ∫u² du = u³/3 + C = (ln(x) + 5)³ + C
