Saved Bookmarks
| 1. |
b/a x+a/by=a2+b2 x+y=2ab Solve and find x and y |
| Answer» b/a.x+a/b.y=a^2+b^2-------(1)x+y=2ab-------(2)Multiplying (2) by a/ba/b.x+a/b.y=2ab.a/ba/b.x+a/b.y=2a^2----------(3)(1)-(3)b/a.x-a/b.x=b^2-a^2Taking x commonx(b^2-a^2)/ab=b^2-a^2x=abSimilarly y=ab | |