हल करना x + 1/(x ^ 2) = 12; x ^ 4 - 1/(x ^ 4) = | 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

$$x+\frac{1}{x^{2}}=12; x^{4}-\frac{1}{x^{4}}=?$$