Resolver integrate (2x)/(1 + x ^ 2) dx | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$\int\frac{2x}{1+x^{2}}dx$$