1.

Solve : xy/x+y =2/3 and xy/y-x=2​

Answer»

ong>Answer:

xy/X+y=2/3

3xy=2(x+y)

3xy=2X+2y

3x=2x+2y/y

3x=2x/y+2

3x-2x/y=2

3xy-2x/y-2=0

3xy-2x-2y=0

3xy-2y=2x

x(3y-2y)=2x

y=2

In the second CASE

xy/y-x=2

2x/2-x=2

2x=2(2-x)

2x=4-2x

4x=4

x=1

THEREFORE, x=1 and y=2



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