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Rationalizati numitorii fractiilor:
a) 1/2√2
b)3/5√3
c)6/-√15


Răspuns :

a)
[tex] \frac{1}{2 \sqrt{2} } = \frac{ \sqrt{2} }{4} [/tex]

b)
[tex] \frac{3}{5 \sqrt{3} } = \frac{3 \sqrt{3} }{15} = \frac{ \sqrt{3} }{5} [/tex]

c)
[tex] - \frac{6}{ \sqrt{15} } = - \frac{6 \sqrt{15} }{15} = - \frac{2 \sqrt{15} }{5} [/tex]