Question

if √ax-√by=b-a and √bx-√ay=0 then xy is equal to​

Answer 1

Answer:

Given,

ax+by=a

2

−b

2

......(1)

bx+ay=0.......(2).

Now adding (1) and (2) we get,

x(a+b)x+(a+b)y=a

2

−b

2

or, (a+b)(x+y)=a

2

−b

2

or, x+y=a−b.

Step-by-step explanation:

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Answer 2

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