Question

scrieti numerele urmatoare ca produs de doua numere irationale :
a)12;
b)-15;
c)1,44;
d)-0,5;
e)9/50;
f)√48/35
g)3√15;
h)-(√20)/9

Answer 1

[tex]12=4\sqrt3\cdot\sqrt3\\\;\\ -15=-3\sqrt5\cdot\sqrt5\\\;\\ 1,44=1,2\sqrt3\cdot0,4\sqrt3\\\;\\ -0,5= 0,1\sqrt5\cdot(-\sqrt5)\\\;\\ \dfrac{9}{50}=\dfrac{9}{5\sqrt2}\cdot\dfrac{1}{5\sqrt5}[/tex]