1 | 1 | 2 | |||
+ | ≥ | ||||
2a | 2b | a+b |
1 | 1 | 1 | 1 | 1 | 1 | a + b | a + b | ||||||||
+ | = | *( | + | ) = | * | = | |||||||||
2a | 2b | 2 | a | b | 2 | a*b | 2 a*b |
a + b | 2 | ( a + b)2 − 4 a*b | |||
− | = | = | |||
2 a*b | a + b | 2 a*b*( a + b) |
a2 + 2 a b + b2 − 4 a b | (a − b)2 | |||
= | = | ≥ 0 | ||
2ab*( a + b) | 2a b*(a + b) |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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