Question

R = {(x,y):x belongs to N ,y belongs to N and x+y=10 } . write domain and range of R.​

Answer 1

Answer:

63773=62377738÷5268+6370_35626=2469

Answer 2

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$R = \{(x,y):x \: \in \mathbb N , \: y \in \mathbb N \: and \: x+y=10 \}$

So

$R = \{(1,9),(2,8),(3,7),(4,6),(5,5),(6,4),(7,3),(8,2),(9,1) \}$

Hence Domain of R

$= \{ 1, 2,3,4,5,6, 7,8,9 \}$

Range of R

$= \{ 1, 2,3,4,5,6, 7,8,9 \}$

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