Wiskunde Multiple Choice Vraag uit Gricha's Wiskundige Vragenbank

(x − y).(x + y).(x² + y²) is gelijk aan	A. x⁴ − y⁴
	B. x⁴ + y⁴
	C. x⁴ + 4x²y² + y⁴
	D. x⁴ + 2x²y² + y⁴
	E. x⁴ - 2x²y² + y⁴

[ 2-8145 - op net sinds 11.11.2023-(E)- ]

Translation in E N G L I S H

(x − y).(x + y).(x² + y²) is equal to	A. x⁴ − y⁴
	B. x⁴ + y⁴
	C. x⁴ + 4x²y² + y⁴
	D. x⁴ + 2x²y² + y⁴
	E. x⁴ - 2x²y² + y⁴

Oplossing - Solution

(x − y).(x + y).(x² + y²) = (x² − y²).(x² + y²) = x⁴ − y⁴

GWB