26 2016 pa? - 20 +3 57-309. Wk09
Question
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26 2016 pa? - 20 +3 57-309. Wk09

SSC CGL
Maths
Solution
87
Rating
4.0 (1 ratings)
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( int frac{1}{x^{2}}-int frac{2}{x^{3}}+int frac{3}{x^{4}} ) ( =frac{x^{-2+1}-2 x^{2}+3+1}{-2+1}+frac{x^{-4+1}}{x^{-3}+1}+frac{1}{x^{3}+1}+c ) ( =frac{-frac{1}{x}+2 frac{1}{x^{2}}-frac{1}{x^{3}}+c}{x^{3}+x-1}+c ) ( =frac{x^{2}+x-1}{x^{3}+c} )
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