Question

rationalizati numitorii
a). 5√2 supra 2√5;
b). 3 supra √10;
c). 3√5 supra √8;
d). 4 supra √7-√2;
e). 36 supra 4√3 - 3√2​

Answer 1

Răspuns:

Explicație pas cu pas:

a)5√2×√5/10=5√10/10=√10/2

b)3×√10/10=3√10/10

c)3√5×√2³/2³=6√10/8=3√10/4

d)4/(√7-√2)=4(√7+√2)/(7-2)=4(√7+√2)/5

e)36(4√3+3√2)/(48-18)=36(4√3+3√2)/30=6(4√3+3√2)/5