Asked by Mary
Evaluate the definite integral
8
S (3x^2 + 3)/(x^2) dx
5
Not sure which substitution to use. Please show your work & explain.
Thanks
8
S (3x^2 + 3)/(x^2) dx
5
Not sure which substitution to use. Please show your work & explain.
Thanks
Answers
Answered by
Steve
his one is actually pretty straightforward. Just divide by x²
∫(3x² + 3)/x² dx = ∫ 3 + 3/x² dx
= 3x - 3/x + C
or
(3x² - 3)/x + C
∫(3x² + 3)/x² dx = ∫ 3 + 3/x² dx
= 3x - 3/x + C
or
(3x² - 3)/x + C
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