Ответ:
A) 2-∛4
Объяснение:
2/(2+∛2+∛2²=2(∛2-1)/(∛2-1)((∛2)²+∛2+1)+1)=
=2(∛2-1)/((2-1)+∛2-1)=2(∛2-1)/∛2=2^(2/3)*2^(1/3)-2^(2/3)=
=2-2^(2/3)=2-∛4
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Verified answer
Ответ:
A) 2-∛4
Объяснение:
2/(2+∛2+∛2²=2(∛2-1)/(∛2-1)((∛2)²+∛2+1)+1)=
=2(∛2-1)/((2-1)+∛2-1)=2(∛2-1)/∛2=2^(2/3)*2^(1/3)-2^(2/3)=
=2-2^(2/3)=2-∛4