Question

Solve: $\frac{1}{2}(1-\frac{2}{m})(2-m)=0$

Answer 1

Now,

$\frac{1}{2}(1-\frac{2}{m})(2-m)=0$

or, $\frac{1}{2}\left(\frac{m-2}{m}\right)(2-m)=0$

or, $(m-2{)}^2=0$

or, $m=2$.