If I - -x2 - 2-x4 - 5x2 - 4 tan-1 x2 - 2-x dx - A-368log - tan-1 x - 2-x - - C then A equals-

Let I=∫ x ^ 2 +2 ( x ^ 4 +5 x ^ 2 +4 ) tan ^ 1 ( x ^ 2 +2 x nbsp;) nbsp; nbsp; dx Substitute tan ^ 1 ( x ^ 2 +2 x nbsp;) nbsp; =t ...

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Special Integrals - 1

If I = ∫x2 ...

Question

If $I = \int \frac{x^{2} - 2}{(x^{4} + 5 x^{2} + 4) t a n^{- 1} (\frac{x^{2} + 2}{x})} d x = \frac{A}{368} log | t a n^{- 1} (x + 2 / x) | + C$ then A equals.

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x

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