Question

The domain of the relation R={ (x,y)/x,y€n,x+2y=5} is

Answer 1

R={ (x,y) / x,y ∈ N,  x + 2y = 5} 
x is the domain of the function
Domain ∈ Natural number
Range ∈ Natural number
x + 2y = 5
2y = 5 - x
y = $\frac{5-x}{2}$
f(x) = $\frac{5-x}{2}$         ∵ y∈N
x < 5
If x is odd number then y ∈ N
If x is even nuber then y ∉ n
 ∴domain of f(x) = { 1 , 3 }

Answer 2

Step-by-step explanation:

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