(X+y)²+(x-y)² =
(x + y) ² + (xy) ²
x² + 2xy + y² + x²-2xy + y²
entonces x² + x² + y² + y²
2x² + 2y²
——————
2x²
= 2y²
debido a que los 2x² que hay se cancelan
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
(X+y)²+(x-y)² =
(x + y) ² + (xy) ²
x² + 2xy + y² + x²-2xy + y²
entonces x² + x² + y² + y²
2x² + 2y²
2x² + 2y²
——————
2x²
= 2y²
debido a que los 2x² que hay se cancelan