" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= (√3/2)² - (√2/2)² + 8 (√2/2) (-√2/2)
= 3/4 - 2/4 + 8 (-2/4)
= 1/4 - 4
= 1/4 - 16/4
= -15/4