What is the form of the Pythagorean triple generator?
O A. (x² + y²)² = (x² - y²)² + (2xy)²
O B. (x² + y²)² = (x² + y²)² + (2xy)²
O C. (x² + y²)² = (x² - y²)² - (2xy)²
O D. (x² - y²)² = (x² + y²)²-(2xy)²