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renataabc
@renataabc
October 2020
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Racionalize os denominadores:
a. 7.√5 / √5
b. 8 / ∛6
c. 3 / √8
d. 2 / √3+1
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3478elc
Verified answer
Racionalize os denominadores:
a. 7.√5 =
7√5
= 7√5
√5 √5√5 5
b. 8 =
8∛6²
=
8∛6²
∛6 ∛6∛6² 6
c. 3 = 3√8 =
3√8
√8 √8√8 8
d.
2
=
2(√3 - 1)
=
2(√3 - 1)
=
2(√3 - 1)
==> √3 - 1
√3+1 (√3 - 1)(√3 - 1) 3 - 1 2
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Verified answer
Racionalize os denominadores:
a. 7.√5 = 7√5 = 7√5
√5 √5√5 5
b. 8 = 8∛6² = 8∛6²
∛6 ∛6∛6² 6
c. 3 = 3√8 = 3√8
√8 √8√8 8
d. 2 = 2(√3 - 1) = 2(√3 - 1) = 2(√3 - 1) ==> √3 - 1
√3+1 (√3 - 1)(√3 - 1) 3 - 1 2