Saved Bookmarks
| 1. |
Let Delta=|{:(a,p,x),(b,q,y),(c,r,z):}|=16" then "Delta_1=|{:(p+x,a+x,a+p),(q+y,b+y,b+q),(r+z,c+z,c+r):}|=32 |
|
Answer» |
|