CBSE Class 10 Answered
57/X+Y + 6/X-Y = 5
38/X+Y + 21/X-Y = 9
Asked by mukhilanp mukhi | 21 Mar, 2012, 09:49: PM
Expert Answer
Let 1/( x + y) = u, 1/(x - y) = v
So , 57u + 6v = 5 , 38u + 21v = 9
Thus , On Solving we get , u = 1/19 , v = 1/3
So x+y = 19 , x-y = 3
We get x = 11 , y =8
Answered by | 22 Mar, 2012, 03:29: PM
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