Introduza o fator externo no radicando; a) 2√2 b)5√3 c) 3 d)2√10 e)6√2 f) x√xy g) 2x√x h) √a.... Pergunta de ideia deMarcosV1

December 2019 1 59 Report

Introduza o fator externo no radicando;

a) 2√2
b)5√3
c) 3 $\sqrt[4]{2}$
d)2√10
e)6√2
f) x√xy
g) 2x√x
h) $\frac{a}{b}$ √a

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andreluizdeoliveira A) $2 \sqrt{2}=\sqrt{2^2.2}=\sqrt{2^3}=\sqrt{8}$

b) $5\sqrt{3}=\sqrt{5^2.3}=\sqrt{25.3}=\sqrt{75}$

c) $3 \sqrt[4]{2}= \sqrt[4]{3^4.2}= \sqrt[4]{81.2}= \sqrt[4]{162}$

d) $2\sqrt{10}=\sqrt{2^2.10}=\sqrt{4.10}=\sqrt{40}$

e) $6\sqrt{2}=\sqrt{6^2.2}=\sqrt{36.2}=\sqrt{72}$

f) $x\sqrt{xy}=\sqrt{x.xy}=\sqrt{x^2y}$

g) $2x\sqrt{x}=\sqrt{2x.x}=\sqrt{2x^2}$

h) $\frac{a}{b}\sqrt{a}=\sqrt{ \frac{a}{b}.a }=\sqrt{ \frac{a^2}{b} }$

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