" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(1 + √2)² + (1 - √2)² = 1 + 2√2 + 2 + 1 - 2√2 + 2 = 6
b)
(√3 - 1)² - (2 - √3)² = 3 - 2√3 + 1 - (4 - 4√3 + 3) = 4 - 2√3 - 4 + 4√3 - 3 = 2√3 - 3
b) (√3 - 1)² - (2 - √3)² = 3 - 2√3 + 1 - ( 4 - 4√3 + 3) =3 - 2√3 + 1 - 4 + 4√3 - 3 = 2√3 - 3