Question

rezolvati ecuatiile​

Answer 1

a)x=4€Q (4=4/1)

b)x=-4,5€R

c)x=rad3/2€R

d)x=7€R (N€R)

e)t=1/5€R (Q€R)

f)x=(-3 • 2/5)=(-6/5) Nu aparține lui Q

g)x=4/2rad2=2/rad2=2rad2/2=rad2€R

h)x=2€Z (N€Z)

i)x=1,9€R

j)x=3/10 • 2=3/5€R

k)3x/4 = (-1/2)

6x=(-4)

x=(-2/3)€R