Question

Resolva:
a) 3√7+15√7

b) 4√7-8√7

c) 3√2.5√7

d) 16³√49:2³√7

e) 20√10:10√2

Me ajudem por favor

Answer 1

a) 18√7
3√7 + 15√7 =
= 18√7

b) - 4√7
4√7 - 8√7 =
= - 4√7

c) 15√14
3√2 . 5√7 =
= 3 . 5√(2 . 7) =
= 15√14

d) 8∛7
16∛49 : 2∛7 =
= 8∛(49/7) =
= 8∛7

e) 2√5
20√10 : 10√2 =
= 2√(10/2) =
= 2√5