Răspuns :
Răspuns:
1)
= 3√2/5 + 4√2/15 - 5√2/3 =
= 9√2/15 + 4√2/15 - 25√2/15 =
= - 12√2/15 =
= - 4√2/5
2)
= 13√5/24 - 9√5/6 + 3√5/2 =
= 13√5//24 - 36√5/24 + 36√5/24 =
= 13√5/24
Răspuns:
1)
= 3√2/5 + 4√2/15 - 5√2/3 =
= 9√2/15 + 4√2/15 - 25√2/15 =
= - 12√2/15 =
= - 4√2/5
2)
= 13√5/24 - 9√5/6 + 3√5/2 =
= 13√5//24 - 36√5/24 + 36√5/24 =
= 13√5/24