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=a²-2-2x²+2=a²-2x²
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=a²-2-2x²+2=a²-2x²
licze na naj
=![=a^{2}-(\sqrt{2})^{2}-2x^{2}+2=a^{2}-2-2x^{2}+2=a^{2}-2x^{2} =a^{2}-(\sqrt{2})^{2}-2x^{2}+2=a^{2}-2-2x^{2}+2=a^{2}-2x^{2}](https://tex.z-dn.net/?f=%3Da%5E%7B2%7D-%28%5Csqrt%7B2%7D%29%5E%7B2%7D-2x%5E%7B2%7D%2B2%3Da%5E%7B2%7D-2-2x%5E%7B2%7D%2B2%3Da%5E%7B2%7D-2x%5E%7B2%7D+)