⁴√16 + ⁷√1 - ⁵√-1 = A e √100 +⁵√-32 + ⁶√0 = B. Qual o valor de A - B? a) -3 b) 0 c) 1 d) -4 e) 2.... Pergunta de ideia deManu2108

Manu2108 @Manu2108

November 2019 1 104 Report

⁴√16 + ⁷√1 - ⁵√-1 = A e √100 +⁵√-32 + ⁶√0 = B. Qual o valor de A - B?

a) -3
b) 0
c) 1
d) -4
e) 2

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kjmaneiro Vamos lá...

$A= \sqrt[4]{16} + \sqrt[7]{1} - \sqrt[5]{-1} \\ A= \sqrt[4]{2^4} +1-(-1) \\ A=2+1+1 \\ A=4 \\ \\ B= \sqrt{100} + \sqrt[5]{-32} + \sqrt[6]{0} \\ B=10+ \sqrt[5]{(-2)^5} +0 \\ B=10-2+0 \\ B=8 \\ \\ A-B=4-8=-4 \\ \\ Letra~~D$

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