а) √27 = √(9 * 3) = 3√3
б) 1/5√50 = √(50) / 5 = √(25 * 2) / 5 = (5√2) / 5 = √2
а) 9√2 = √(81 * 2) = 9√2
б) -2√b = -√(4b) = -2√b
а) √27 = √(9 * 3) = 3√3
б) 1/5√50 = √(50) / 5 = √(25 * 2) / 5 = (5√2) / 5 = √2
а) 9√2 = √(81 * 2) = 9√2
б) -2√b = -√(4b) = -2√b