Usuń niewymierność z mianownika.a) 4/√5-2 =b) √3-1/2√2+3=c) 4/3√6=d) -8/√7+√2=e) √2-1/√6+4=
a) 4/√5-2= 4*(√5+2)/(5-4)= 4*(√5+2)
b) √3-1/2√2+3= (√3-1)*(2√2-3)/-1= -(√3-1)*(2√2-3)
c) 4/3√6= 4√6/18= 2√6/9
d) -8/√7+√2= -8*(√7-√2)/5
e) √2-1/√6+4= (√2-1)*(√6-4)/-10
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a) 4/√5-2= 4*(√5+2)/(5-4)= 4*(√5+2)
b) √3-1/2√2+3= (√3-1)*(2√2-3)/-1= -(√3-1)*(2√2-3)
c) 4/3√6= 4√6/18= 2√6/9
d) -8/√7+√2= -8*(√7-√2)/5
e) √2-1/√6+4= (√2-1)*(√6-4)/-10