1 | 1 | |||
( | )x−( | )−x−1≥1 | ||
2 | 2 |
1 | 1 | |||
( | )x−( | )x−1≥1 | ||
2 | 2 |
1 | 1 | |||
( | )x−(−x−1)≥ | 0 | ||
2 | 2 |
1 | 1 | |||
( | )2x+1≥ | 0 | ||
2 | 2 |
1 | ||
x≥− | ||
2 |
1 | ||
z = ( | )x x = −U{ln(z){ln(2)} (w grę wchodzą tylko dodatnie z) | |
2 |
2 | 1+√5 | |||
z − | ≥ 1 z2 − z − 2 ≥ 0 z ∊ [ | ; +∞) | ||
z | 2 |
ln((1+√5)/2) | ||
x ∊ (−∞; − | ] | |
ln(2) |