Question

rozwiąż (-4x-3)(4x-3)+8(1-pierwiastek z 2 x) ^2 = 1

Answer 1

-(4x + 3)(4x - 3) + 8(1 - √2 x)² = 1

-(16x² - 9) + 8(1 - 2√2 x + 2x²) = 1

-16x² + 9 + 8 - 16√2 x + 16x² = 1

-16√2 x = 1 - 17

-16√2 x = -16

√2x = 1

x = 1/√2

x = √2/2