Question

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

Answer 1

a)
$\frac{1}{2 \sqrt{2} } = \frac{ \sqrt{2} }{4}$

b)
$\frac{3}{5 \sqrt{3} } = \frac{3 \sqrt{3} }{15} = \frac{ \sqrt{3} }{5}$

c)
$- \frac{6}{ \sqrt{15} } = - \frac{6 \sqrt{15} }{15} = - \frac{2 \sqrt{15} }{5}$

Answer 2

a) v2/4
b)v3/5
c)2v15/-5