" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a + b = 3
ab = 1
(a + b) ² = a² + 2ab + b²
(3)² = a² + 2(1) + b²
9 = a² + 2 + b²
9 - 2 = a² + b²
7 = a² + b²
Respuesta.
a² + b² = 7