If A - 6- 7- 8- 9- B - 4- 6- 8- 10 and C - x - x - N - 2 - x - 7 - find -A - B

The correct option is B {7,9} A B = A A∩ B= {7,9} ...

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Byju's Answer

Standard XII

Mathematics

Difference of Two Sets

If A = 6, 7, ...

Question

If A = (6, 7, 8, 9), B = (4, 6, 8, 10) and C = { $x$ : $x ϵ N$ : $2 < x \leq 7$ } ; find :
A - B

{6, 8}

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{7, 9}

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{6, 9}

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{6, 7, 9, 10}

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Solution

The correct option is B ${7, 9}$
$A - B = A - A \cap B = {7, 9}$

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Similar questions

Q. If

A = (6, 7, 8, 9), B = (4, 6, 8, 10)

and

C = {x : x ϵ N : 2 < x \leq 7}

; find :

n (B - (A - C))

Q. If

A = (6, 7, 8, 9), B = (4, 6, 8, 10)

and

C = {x : x ϵ N : 2 < x \leq 7}

; find :

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The sum of the elements in the above set is?

If
A = {1, 2, 3, 4}

B = {3, 4, 5, 6, 7}

C = {6, 7, 8, 9}

D = {7, 8, 9, 10}

$\begin{matrix} C o l u m n A & C o l u m n B 1. A \cup B & a . {3, 4, 6, 7} 2. A \cap B & b . \emptyset 3. (B \cap C) \cup D & c . {3, 4} 4. B \cup C \cup D & d . {3, 4, 5, 6, 7, 8, 9, 10} 5. (A \cap B) \cap (B \cup C) & e . {1, 2, 3, 4, 5, 6, 7} f . {6, 7, 8, 9, 10} g . {7} \end{matrix}$