1.

\(\rm \displaystyle\int \dfrac{x^2 - 1}{x^3 \sqrt{2x^4 - 2x^2 + 1}}dx\) is equal to

A. \(\rm \dfrac{\sqrt{2x^4 - 2x^2 + 1}}{x^2}+C\)
B. \(\rm \dfrac{\sqrt{2x^4 - 2x^2 + 1}}{x^3}+C\)
C. \(\rm \dfrac{\sqrt{2x^4 - 2x^2 + 1}}{x}+C\)
D. \(\rm \dfrac{\sqrt{2x^4 - 2x^2 + 1}}{2x^2}+C\)
Answer» E.


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