Question

$\sqrt{3} - \sqrt{147} \div \sqrt{49}$
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Answer 1

Salut!

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$= \sqrt{3} - \sqrt{ \frac{147}{49} } \\ = \sqrt{3} - \sqrt{3} \\ \\ = 0$

Am folosit proprietatea:

$\sqrt{ \frac{a}{b} } = \frac{ \sqrt{a} }{ \sqrt{b} }$

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Answer 2

√3 - √147 : √49 =

= √3 - √147:49

= √3 - √3

= 0