oblicz:
(√5+√3)³-(√5-√3)(√5+√3)-(√5-√3)²-2√5(7+√3)
Prosze o krok po kroku: )
(√5+√3)³-(√5-√3)(√5+√3)-(√5-√3)²-2√5(7+√3)=
=√125+3*5*√3+3*√5*3+√27-(5-3)-(5-2√15+3)-14√5-2√15=
=5√5+15√3+9√5+3√3-2-8+2√15-14√5-2√15=
=18√3-10
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(√5+√3)³-(√5-√3)(√5+√3)-(√5-√3)²-2√5(7+√3)=
=√125+3*5*√3+3*√5*3+√27-(5-3)-(5-2√15+3)-14√5-2√15=
=5√5+15√3+9√5+3√3-2-8+2√15-14√5-2√15=
=18√3-10