Question

va rog frumos ajutor la ex 6​

Answer 1

asa ar trebui sa arate. Mult succes.

Answer 2

Răspuns:

a) x^2=9 => x^2=3^2 => x=3

b) x^2=25 => x^2=5^2 => x=5

c) x^2=1/4 => x^2=4 => x^2=2^2 => x=2

d) x^2=8 => x^2=2^3 => x nu apartzine lui Q

e) x^2=-4 => x^2=4 => x^2=2^2 =>x =2

f) x^2= 0 => x=0