Question

${y}^{2} = \frac{4}{9}$
va rog

Answer 1

y^2=4/9

y=+-√4/9

y1=-2/3

y2=2/3

y∈{-2/3,2/3}

Answer 2

Rezolvam ecuatia in necunoscuta y
Extragem radacina patrata la 4 si 9 ( deoarece e puterea a doua)
Deci solutiile sunt
y=2/3
y=-2/3