Saved Bookmarks
| 1. |
If a+b=10 ,ab=9 then (a, b) =.......? |
|
Answer» Tqs A+b=10A=10-b(10-b)b=9b²-10b+9=0b²-9b-b+9=0b(b-9)-1(b-9)=0(B-1)(b-9)=0B=1,9If b = 1 , then A=9And if b= 9 , then A=1 |
|