Question

If x - y = 10 and x² + y² = 18 ,find xy​

Answer 1

Answer:

xy=4

Step-by-step explanation:

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

10=18-2xy

2xy=18-10

2xy=8

xy=8/2

Ans xy=4

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Answer 2

$\huge\mathcal\red\blue{answer}$

(x-y)= x*2+y^2-2xy, 10= 18-2xy

(x-y)= x*2+y^2-2xy, 10= 18-2xy2xy= 18-10,2xy=8xy= 8/2 Ans

(x-y)= x*2+y^2-2xy, 10= 18-2xy2xy= 18-10,2xy=8xy= 8/2 Ansxy=4 HTUrdt

hope it is helpful..✌️✌️