1 | ||
x+ | =4.28 x > 0 | |
x |
1 | ||
x2+ | =? | |
x2 |
1 | 1 | |||
(x+ | )2 = x2 + 2 + | |||
x | x2 |
1 | ||
x2 + 2 + | = (4.28)2 | |
x2 |
1 | ||
x2 + | = (4.28)2 − 2 | |
x2 |
1 | ||
(x+ | )2=18,3184 | |
x |
1 | ||
x2+2 + | =18,3184 | |
x2 |
1 | ||
x2+ | =18,3184−2=..... | |
x2 |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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