4 − x2 | ||
log1/2( | )1/2 = y | |
x2 + 1 |
4 − x2 | 1 | |||
( | )1/2 = ( | )y | ||
x2 + 1 | 2 |
4 − x2 | 1 | ||
= ( | )2y | ||
x2 + 1 | 2 |
1 | 1 | |||
4 − x2 = ( | )2yx2 + ( | )2y | ||
2 | 2 |
1 | 1 | |||
[( | )2y + 1]x2 + ( | )2y − 4 = 0 | ||
2 | 2 |
1 | 1 | |||
Δ = −4[( | )2y + 1][( | )2y − 4] ≥ 0 | ||
2 | 2 |
1 | ||
( | )2y − 4 ≤ 0 | |
2 |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
Kliknij po więcej przykładów | |
---|---|
Twój nick | |