Mathematics

Mathematics

Problem

∫x4−2x2x4+x2+2dx\int \frac{x^4 - 2}{x^2 \sqrt{x^4 + x^2 + 2}} dx a. x2+1+1x2+C\sqrt{x^2 + 1 + \frac{1}{x^2}} + C b. x2+1+2x2+C\sqrt{x^2 + 1 + \frac{2}{x^2}} + C c. x2+1x2+C\sqrt{x^2 + \frac{1}{x^2}} + C d. x2+2x2+C\sqrt{x^2 + \frac{2}{x^2}} + C

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