1003028803

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Project ID:

1003028803

Accepted:

Find all the real roots of the equation.

(x^{2} + 1) (x^{2} - 2) (x + 2) = 0

{- 2; - \sqrt{2}; \sqrt{2}}

{- 2; - \sqrt{2}; - 1; 1; \sqrt{2}}

{- 2; - 1; 1; 2}

{- 2; - \sqrt{2}; - 1; \sqrt{2}}

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