Question

cine poate sa ma ajute cu ex 10

Answer 1

rad.2''2n=rad2''2x2''n=2 rad 2la puterea n(2''n)
''=la puterea
rad 3''4m=rad 3'4x3''m=3'2 rad 3''m=9 rad 3''m
rad 2''2n x 5''6m=rad 2''2x2''n2x5''6x5''m=2x5''3 rad 2''nx5''m=250 rad 2''nx5''m
rad 7''4n+2=rad 7''4n x 7''2=7''2 x 7 rad 7''n=343 rad 7''n

rad 12 x 3''11=rad 2''2 x 3 x 3''11=2 rad 3''12=2 x 3''6
rad 18 x 2''13=rad 3''2 x 2 x 2''13=rad 3''2 x 2''14=3 x 2''7
rad 6''3 x 2''5 x 3''11= rad 2''3 x 3''3 x 2''5 x 3''11=rad 2''8 x 3''14=2''4 x 3''7
rad 7 ''31 + 2 x 7''30= rad 7''30 ( 7 + 2)=7''15 rad 9=7 ''15 x 3