If A - x - x - n - n - N - 5 - n -10 and B -3-4-5-6- then A - B isA- 3-4-5-6B- 5-6-7-8C- 5-6D- 3-4-5-6-7-8-9

The correct option is D 3, 4, 5, 6, 7, 8, 9Given : A = {x:x=n, n ϵ N, 5 ≤ n lt; 10} ⇒ A nbsp;= nbsp;5, 6, 7, 8, 9 B = {3, 4, 5, 6} ⇒A ∪ B = nbsp;3, ...

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Byju's Answer

Standard X

Mathematics

Intersection of Sets

If A = x : x ...

Question

If $A = {x : x = n, n ϵ N, 5 \leq n < 10}$ and $B = {3, 4, 5, 6}$ , then $A \cup B$ is ______.

{3, 4, 5, 6}

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{5, 6, 7, 8}

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{5, 6}

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{3, 4, 5, 6, 7, 8, 9}

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Solution

The correct option is D {3, 4, 5, 6, 7, 8, 9}
Given : $A = {x : x = n, n ϵ N, 5 \leq n < 10}$
$\Rightarrow$ $A$ = {5, 6, 7, 8, 9}
$B = {3, 4, 5, 6}$
$\Rightarrow$ $A \cup B$ = {3, 4, 5, 6, 7, 8, 9}

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If A={x:x=n, n ϵ N, 5≤n<10} and B={3,4,5,6}, then A∪B is ______.

The correct option is D {3, 4, 5, 6, 7, 8, 9}Given : A={x:x=n, n ϵ N, 5≤n<10} ⇒ A = {5, 6, 7, 8, 9} B={3,4,5,6} ⇒A∪B = {3, 4, 5, 6, 7, 8, 9}

If $A = {x : x = n, n ϵ N, 5 \leq n < 10}$ and $B = {3, 4, 5, 6}$ , then $A \cup B$ is ______.

The correct option is D {3, 4, 5, 6, 7, 8, 9}
Given : $A = {x : x = n, n ϵ N, 5 \leq n < 10}$
$\Rightarrow$ $A$ = {5, 6, 7, 8, 9}
$B = {3, 4, 5, 6}$
$\Rightarrow$ $A \cup B$ = {3, 4, 5, 6, 7, 8, 9}