1 | ||
f(x)=− | x2−12x+1 | |
2 |
1 | 1 | 1 | 1 | |||||
a) f(x)=− | (x2+x−2)=− | ((x+ | )2−2 | ) | ||||
2 | 2 | 2 | 4 |
1 | 1 | 1 | ||||
− | ((x+ | )2−2 | )=0 | |||
2 | 2 | 4 |
1 | 1 | |||
(x+ | )2−2 | =0 | ||
2 | 4 |
1 | 9 | |||
(x+ | )2= | |||
2 | 4 |
1 | 3 | 1 | 3 | |||||
x+ | = | lub x+ | =− | |||||
2 | 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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