| x | ||
f (x)= | ||
| x2 +12 |
| 1*( x2 + 12) − x*2x | 12 − x2 | |||
f '(x) = | = | = | ||
| (x2 + 12)2 | (x2 + 12)2 |
| 12 − x2 | ||
= | ||
| x4 + 24 x2 + 144 |
| − 2 x*( x4 + 24 x2 + 144) − ( 12 − x2)*( 4 x3 + 48 x) | ||
f ''(x) = | ||
| (x2 + 12)4 |
| 5^2 | 52 |
| 2^{10} | 210 |
| a_2 | a2 |
| a_{25} | a25 |
| p{2} | √2 |
| p{81} | √81 |
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