Math, asked by ishit1887, 6 months ago

if x+y =5,x2+y2=13 then xy is

Answers

Answered by srija12345678

2

Answer:

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

(5) ^2-2xy=13

25-13=2xy

12=2xy

Therefore, xy=6

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