Question

Tìm x,y thuộc z thỏa

 1/x+1/y=1/2

Answer 1

\(\frac{1}{x}+\frac{1}{y}=\frac{1}{2}\)

\(\frac{1}{x}+\frac{1}{y}=0.5\)

\(\Rightarrow\frac{1}{x}=0,5:2=\frac{1}{4}\)

\(\Rightarrow\frac{1}{y}=0,5:2=\frac{1}{4}\)

vậy : x =

Answer 2

mình lộn !

x = 1/4

y=1/4