" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b)-(1 - √3)(1 + √3) +(5 - √3 )² = -(1 + √3 - √3 - 3) + 10 + 3 = 2 + 10 + 3 = 15