1. Uprość wyrażenie
(√3-1) : (√3 + 1) - (√3 + 1 ) : (√3-1) =
wspólny mianownik (√3 + 1)(√3 - 1)
(√3-1) : (√3 + 1) - (√3 + 1 ) : (√3-1) = [(√3 - 1)(√3 - 1) - (√3 + 1)(√3 + 1)]/2 = [(√3 - 1)² - (√3 + 1)²]/2 =
(√3 - 1 - √3 - 1)(√3 - 1 + √3 + 1)/2 = (- 2)(2√3)/2 = - 4√3/2 = - 2√3
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
wspólny mianownik (√3 + 1)(√3 - 1)
(√3-1) : (√3 + 1) - (√3 + 1 ) : (√3-1) = [(√3 - 1)(√3 - 1) - (√3 + 1)(√3 + 1)]/2 = [(√3 - 1)² - (√3 + 1)²]/2 =
(√3 - 1 - √3 - 1)(√3 - 1 + √3 + 1)/2 = (- 2)(2√3)/2 = - 4√3/2 = - 2√3