1 | 1 | 3 | ||||
(x4)2 − 2• | •x4•x + | •x2 + | x2 − x + 1= | |||
2 | 4 | 4 |
1 | 1 | |||
[x4 − | x]2 + | (3x2−4x+4)= | ||
2 | 4 |
1 | 1 | |||
[x4− | x]2+ | [(x−2)2+2x2] > 0 | ||
2 | 4 |
3 | ||
x2 − x + 1 ≥ | ||
4 |
x | x | x2 | ||||
x8−x5+x2−x+1=(x4− | )2+( | −1)2+ | >0 | |||
2 | 2 | 2 |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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