" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Jawab|a - b|² = | a + b |² - 4 |a||b|
| a - b|² = 8² - 4|4|6| = 64 -48 = 12
|a - b| = 2 √3