Question

6. if x+y=3 and x2+y2 =5 then
Xy=
O 1
O 3
O 2
O 5​

Answer 1

Answer:

Hi here is ur answer

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Answer 2

Answer:

2

Step-by-step explanation:

x+y=3

squaring on both sides

(x+y)^2= 9

x^2+y^2+2xy=9

given x^2+y^2=5

5+2xy=9

2xy=9-5

2xy=4

xy=4/2

xy=2