हल करना x = 2 + sqrt(5); x ^ 2 + 1/(x ^ 2) | 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

$$x=2+\sqrt{5}; x^{2}+\frac{1}{x^{2}}$$