Question

найти корни уравнения 25х квадрете = 4

Answer 1

х^2=4/25

 x=2/5

dhjlt nfr 

 

 

 

 

 

 

Answer 2

$25x^2=4\x^2=frac{4}{25}\x=^+_-frac{2}{5}\x=^+_-0.4$