👤
MihaiMarian12
a fost răspuns

calculand 12/√7-√3-14/√7+6/√3,se obtine...

Răspuns :

Kobolan
[tex]\frac{12}{\sqrt7}-\sqrt3-\frac{14}{\sqrt7}+\frac{14}{\sqrt3}=\\ =\frac{12\sqrt3-3\sqrt7-14\sqrt3+14\sqrt7}{\sqrt3\cdot\sqrt7}=\\ =\frac{-2\sqrt3+11\sqrt7}{\sqrt21}[/tex]
EagleEyes
 12/√7-√3-14/√7+6/√3 =

= 12√7/7 - √3 -14√7/7 + 6√3/3 =

= 12√7/7 - √3 -2√7 +2√3 =

= -2√7/7 + √3

Alte intrebari