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10.
Δ= 64 - 4 * (-2) * 6
Δ= 64 + 8 * 6
Δ = 64 + 48 = 112
Zbiór wartości: (-∞, 14 >
11. (2√3 - √2 )² = (2√3)² - 2* 2√3 * √2 + (√2)² = 12 - 4√6 + 2 = 14 - 4√6
12. 5 jednostek w górę: y=f(x) + 5