Oblicz .!! LEGENDA - V = pierwiastek :)
a) ( 3V2 + V18 - 2V8 ) * V2 =
b) ( V24 - 4V3 + 2v12 ) * V6 =
c) ( 4 - 2V5 ) * ( V5 + 3 ) =
d) ( 9 - 2V15 ) * ( 3V3 + 2V5 ) =
Prosze szybko o pomoc :)
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
rozwiązanie w załączniku
a)...=3√2*√2 + √18*√2 -2√8*√2 =
= 3 *2 + √36 - 2√16 =
= 6 + 6 - 8 =12 -8 = 4
b)...=√24*√6 - 4√3*√6+2√12*√6 =
= √(4*6) *√6 - 4√18 + 2√(4*3)*√6=
= 2√6*√6 - 4√(9*2) + 4√3*√6 =
= 2*6 - 12√2 + 4√18=
= 12 - 12√2 + 4√(9*2) =
= 12 - 12√2 + 12√2 = 12
c)...=4*√5-2√5*√5+12-6√5 =
= 4√5 - 10 + 12 - 6√5 =
= 2 - 2√5 = 2(1-√5)
d)...=9*3√3+9*2√5-2√15*3√3-2√15*2√5 =
= 27√3 + 18√5 -6√45 - 4√75 =
= 27√3 + 18√5 - 6√(9*5) - 4√(25*3)=
= 27√3 + 18√5 - 18√5 - 20√3 = 7√3