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1. |
Find \(\int \frac{20x^3}{1+x^4} dx\). |
A. | 5 log(x4)+C |
B. | -5 log(1+x4)+C |
C. | 5 log(1+x4)+C |
D. | log(1+x4)+C |
Answer» D. log(1+x4)+C | |