Answer Box

Answer to Question 2

(x² + y²)(x⁴ - x²y² + y⁴)	= x⁶ - x⁴y² + x²y⁴ + x⁴y² - x²y⁴ + y⁶
	= x⁶ + y⁶

x⁶ + y⁶ = (x² + y²)(x⁴ - x²y² + y⁴)
This equation is an identity.