x+y/xy=3,x-y/xy=1 substitutuon method
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Answer:x + y /xy = 3
=> 1/y + 1/x = 3 ( divided by xy )......(1)
& x - y / xy = 1
=> 1/y - 1/x = 1 ........(2)
Add (1) & (2)
2/y = 4
=> y = 1/2
& 2 - 1 /x = 1
=> x = 1
Step-by-step explanation:
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