हल करना (a + 2)/(a ^ 3 + 2a + 4) - 1/(a - 2) + (a + 2a)/(a ^ 3 - 8) = | 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

$$\frac{a+2}{a^{3}+2a+4}-\frac{1}{a-2}+\frac{a+2a}{a^{3}-8}=$$