Question

If x + y = 3, x2 + y2 =5 then xy is ​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

(x+y)^2=(x^2+y^2)+2xy

3^2=5+2xy

9=5+2xy

9-5=2xy

4=2xy

2=xy