Question

if x+y=3, x²+y²=5 , then xy is​

Answer 1

Answer:

2 is the answer!!!

Step-by-step explanation:

(a+b)²=A square+b square + 2 ab

3² = 5+2xy

2xy = 4

xy = 2

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Answer 2

Answer:

2

Step-by-step explanation:

$(x + y)^{2}$ = $x^{2}$ + $y^{2}$ + 2xy

or, $3^{2}$ = 5 + 2xy

or, 9 - 5 = 2xy

or, xy = 4/2

or, xy = 2