What is $int (1+ x^2)dx$ ?

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Answer 1 · 2015-10-30T10:56:10

$x+1/3x^3+C$

Since for a continuous function, the integral of a sum is the sum of the integrals, we may write and solve this integral as follows :

$int(1+x^2)dx=int1dx+intx^2dx$

$=x+1/3x^3+C$

What is int (1+ x^2)dxint (1+ x^2)dx?