Question
15 2 1 1 36 Solve : — + = = 17, + = — хух у 5
Solution
152  17
Sol. We have the equations :
36
1 1
+=
x y
and
5
2.2_72
(iii)
+
=
Multiplying eq. (ii) by 2, we get,
ry 5
Subtracting (iii) from (i), we get
8572
13
72
2

13
=
13
=
11


5
17
13x5
x x 13= 13 5 = x= 
13
Putting the value of x in (ii), we get
1 36 1
y =
..
5
3
y =
y =
X
=
=

=


+

5
5
Hence,
x=5, y = 5