Resolver 1/(x ^ 2 + 2x + 1) + 1/(x ^ 2 - 2x + 1) | 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

$$\frac{1}{x^{2}+2x+1}+\frac{1}{x^{2}-2x+1}$$