Saved Bookmarks
| 1. |
rxand y:ax-bya + b ;ax-by-2ab.a. |
|
Answer» Ax/b-by/a=a+b -------------(1)ax-by=2ab ------------------(2)Using cross multiplication method we get,x/(2b²-ab-b²)=y/(-a²-ab+2a²)=1/(a-b)or, x/(b²-ab)=y/(a²-ab)=1/(a-b)or, x/(-b)(a-b)=y/a(a-b)=1/(a-b)Equating the first and the last part,x/(-b)(a-b)=1/(a-b)or, x=(-b)(a-b)/(a-b)or, x=-bAgain equating the last two parts,y/a(a-b)=1/(a-b)or, y=a(a-b)/(a-b)or, y=a∴, the required solution : x=-b, y=a |
|