9000088809

Část: 
Project ID: 
9000088809
Accepted: 
1
Clonable: 
0
Easy: 
1
Úpravou výrazu \(\left ( \frac{1} {m-n} - \frac{1} {m+n}\right )\cdot \left (\frac{m^{2}+2mn+n^{2}} {2n} \right )\) dostaneme:
\(\frac{m+n} {m-n}\)
\(0\)
\(\frac{m(m+n)} {n(m-n)} \)
\(2\)