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Integration

 

In Mathematica

For comparison with other CAS choose from: Axiom Derive Macsyma Maple Reduce


inputs outputs

    Integrate[ x^2 (a+b x)^p, x]
                              3
             p             2 a
    (a + b x)  (-------------------------- -
                 3
                b  (1 + p) (2 + p) (3 + p)

                    2
                 2 a  p x
       ----------------------------- +
       (3 + p) (b + b p) (2 b + b p)

                  2               3
             a p x             b x
       ------------------- + ---------)
       (3 + p) (2 b + b p)   3 b + b p
    Simplify[%]
              1 + p     2                            2  2
    ((a + b x)      (2 a  - 2 a b x - 2 a b p x + 2 b  x  +

            2    2    2  2  2        3                2    3
         3 b  p x  + b  p  x )) /  (b  (6 + 11 p + 6 p  + p ))
    Integrate[ x^2 Log[x^2 + a^2], x]
                       3        x
       2        3   2 a  ArcTan[-]    3      2    2
    2 a  x   2 x                a    x  Log[a  + x ]
    ------ - ---- - -------------- + ---------------
      3       9           3                 3
    Simplify[%]
       2        3      3        x       3      2    2
    6 a  x - 2 x  - 6 a  ArcTan[-] + 3 x  Log[a  + x ]
                                a
    --------------------------------------------------
                            9
    Simplify[Integrate[ x d^x Sin[x], x ]]
      x                                                 2
    (d  (-(x Cos[x]) + 2 Cos[x] Log[d] - x Cos[x] Log[d]  +

                                          2
         Sin[x] + x Log[d] Sin[x] - Log[d]  Sin[x] +

                 3                       2 2
         x Log[d]  Sin[x])) / (1 + Log[d] )
    Simplify[Integrate[ x Sqrt[a + b x]^p, x]]
               1 + p/2
    2 (a + b x)        (-2 a + 2 b x + b p x)
    -----------------------------------------
                2
               b  (2 + p) (4 + p)
    Simplify[
     Integrate[ 2x Exp[x^2] Log[x]+ Exp[x^2]/x +
                (Log[x]-2)/(Log[x]^2+x)^2 +
                 ((2/x) Log[x]+ (1/x)+1)/ (Log[x]^2+x), x ]]
      2
     x             Log[x]                    2
    E   Log[x] - ----------- + Log[x + Log[x] ]
                           2
                 x + Log[x]



Richard Liska