Question

simplifique os radicais

(a)
$\sqrt{80}$
(b)
$\sqrt[3]{500}$
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Answer 1

√80 = √2⁴.5 = √2².2².5 = 2.2√5= 4√5

³√500 = ³√2².5³ = 5 ³√2² = 5 ³√4

Answer 2

a) √80

√2×2×2×2×5

√(2×2)×(2×2)×5

√2² × 2² × 5

(2 × 2)√5

4√5

b)∛500

∛5³ × 2 × 2

5∛2 × 2

5∛4