Question

usando qual o valor de
$a) \: \sqrt[5]{1} + \sqrt[4]{81} - \sqrt[3]{125}$
$b) \: - ({2})^{2} - \sqrt[3]{ - 27}$
​

Answer 1

a) -1

b) -1

a)⁵√1+ ⁴√81- ³√125 = 1+3-5 = -1

b) -(2)²- ³√-27 = -4-(-3) = -4+3 = -1

Achando as raízes

81|3

27|3

9|3

3|3 = ⁴√3⁴ = 3

1

125|5

25|5

5|5 = ³√5³ = 5

1

27|3

9|3

3|3 = ³√3³ = 3

1

❤️❤️ Prontinho ❤️❤️

11/03/22