If x+y = 4 and xy= 2, find the value of x²+y²
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Hi, please check the question. It seems to be wrong since...
xy = 2
And either of the two have to be 1 and the other 2.
But, 1² + 2² = 5
You may delete/report this answer if you like. I wouldn't mind. Please check the question again
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