(5/6 - 1/8t⁶)² = (5/6)² - 2 · 5/6 · 1/8t⁶ + (1/8t⁶)² = 25/36 - 5/24t⁶ + 1/64t¹²
Формула:
(a - b)² = a² - 2ab + b²
(5/6 - 1/8t⁶)² = (5/6)² - 2 · 5/6 · 1/8t⁶ + (1/8t⁶)² = 25/36 - 5/24t⁶ + 1/64t¹²
Формула:
(a - b)² = a² - 2ab + b²