Question

1) Calcule as raízes
A) √121
B) √125
C) √81
D) √144
E) ³√729
F) ³√81

Answer 1

Resposta:

) \sqrt{49}=7

49

=7

b) \sqrt{121}=11

121

=11

c) \sqrt{169}=13

169

=13

d) 3\sqrt{125}=15\sqrt{5}3

125

=15

5

e) 4\sqrt{625}=1004

625

=100

f) 3\sqrt{34}=3\sqrt{2\times 17}3

34

=3

2×17

g) 4\sqrt{81}=364

81

=36

h) 6\sqrt{729}=1626

729

=162

i) 7\sqrt{128}=56\sqrt{2}7

128

=56

2

j) 10\sqrt{1024}=32010

1024

=320