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  (2^x)=(x^3)+1 ...
  0·15· #Mathematics#Calculus
  favorited2012-06-04 07:08:37
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  \hspace{-16}\bf{(1)\;\; \int\frac{x^2-1}{(x^2+1)\sqrt{1+x^4}}dx}$\\\\\\ $\bf{(2)\;\;\int\frac{x^2}{(x^4-1)\sqrt{x^4+1}}dx}$\\\\\\ $\bf{(3)\;\;\int\frac{x-1}{(x+1)\sqrt{x^3+x+1}}dx}$ ...
  0·7· #Mathematics#Calculus
  favorited2012-10-18 03:23:55