Question

1/X+1/y=1 1/x-1/y=0 find X and y ​

Answer 1

Answer:

let 1/x=a.

let 1/y=b.

a+b=1.

a-b=0.

on subtracting.

2b=1.

b=1/2.

put value of b=1/2.

a+b=1.

a+1/2=1.

a=1-1/2.

a=1/2.

1/x=a.

1/x=1/2.

x=2.

1/y=b.

1/y=1/2.

y=2.

Answer 2

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