please answer it fast
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Answered by
0
Step-by-step explanation:
X\4 + Y/4 + xy/2
Answered by
3
Answer:
X. y. ²
_. + _
2 2
Step-by-step explanation:
x+y=2,x2+y2=2
x2+y2=2
(x+y)2=22
x2+y2+2xy=4
2+2xy=4
2xy=4−2
2xy=2
xy=2/2
xy=1
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