Răspuns :
Salut!
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[tex] = \sqrt{3} - \sqrt{ \frac{147}{49} } \\ = \sqrt{3} - \sqrt{3} \\ \\ = 0[/tex]
Am folosit proprietatea:
[tex] \sqrt{ \frac{a}{b} } = \frac{ \sqrt{a} }{ \sqrt{b} } [/tex]
* * * *
Salut!
* * * *
[tex] = \sqrt{3} - \sqrt{ \frac{147}{49} } \\ = \sqrt{3} - \sqrt{3} \\ \\ = 0[/tex]
Am folosit proprietatea:
[tex] \sqrt{ \frac{a}{b} } = \frac{ \sqrt{a} }{ \sqrt{b} } [/tex]
* * * *