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f x D[f, x]. e n- : D[f,{x,n}]. BasicInput .



arctg x - 0.5, . . , . Clear .

Integrate, , Basic Input. . .

 In[1]:= 
Integrate[x^2/(4x^6+1), x] Out[1]:= (1/6) ArcTan[2x^3] In[2]:= Integrate[1/Sqrt[(4-x)^3],{x,-Infinity,0}] 
Out[2]= 1 

Simplify , ,



  1. :
    ) 31-2cos x;   ) (sin x)cos x.
  2. sin(2x).
  3. x2 [0; 1].

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