if x2 y2 4x 4y 8 0 then the value of x y is | Examsbook

851

Q:
If x²+y²-4x-4y+8=0, then the value of x-y is:

1
0
2
8
3
4
4
-4

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Answer : 1. "0"

Maths Algebra Question with answer

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