Question

If X + Y is equal to 3, X square + Y square is equal to 5 then xy is

Answer 1

Answer:

Step-by-step explanation:

(x + y) = 3

Squaring both sides

(x+y)^2 = (3)^2

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

Substituting x^2 + y^2 = 5 in the above equation we get

5 + 2xy = 9

2xy = 9-5

2xy =4

xy = 4/2

xy = 2

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Answer 2

Answer:

2

Step-by-step explanation:

step by step explanation is in above attached photo...

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