(√x+✓x-1)² = 1
x+2√x²-x + x-1 = 1
2√x²-x = 2-2x
√x²-x = 1-x
x²-x = (1-x)²
x²-x = 1-2x+x²
x = 1
Проверка:
√1 + √1-1 = 1
1 = 1
ответ: x = 1
(√x+✓x-1)² = 1
x+2√x²-x + x-1 = 1
2√x²-x = 2-2x
√x²-x = 1-x
x²-x = (1-x)²
x²-x = 1-2x+x²
x = 1
Проверка:
√1 + √1-1 = 1
1 = 1
ответ: x = 1