Find the cardial number of the relation- R - x - x - N and 3 - x -7A- 4

The correct option is A 4Given, R = x: x nbsp;∈ N and 3 ≤ x lt; 7 R = 3, 4, 5, 6 Number of elements = 4 Cardial number = 4 ...

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Question

Find the cardial number of the relation,
R = { $x : x \in N a n d 3 \leq x < 7$ }.
4

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X = x {x : x = n^{3} + 2 n + 1, n \in R}

Y = {x : x = 3 n^{2} + 7, n \in R}

X \cap Y

Given:

$A = {x : 11 x - 5 > 7 x + 3, x \in R}$ and

$B = {x : 18 x - 9 \geq 15 + 12 x, x \in R}$ .

Find the range of set $A \cap B$ .

Given $A = {x : 11 x - 5 > 7 x + 3, x ϵ R}$ and $B = {x : 18 x - 9 \geq 15 + 12 x, x ϵ R} .$
Find the range of set $A \cap B$ .

A = {x : x \in Z, | x | \leq 3}

B = {y; y \in N, - 1 < y + 2 \leq 4}

R

A

B

A =

{

x : x = 5^{n}, n \in N

n < 5

}

B =

{

x : x

}

X =

{

x : x

}

P = {x : x < 0, x \in W}

Q = {x : - 3 \leq x \leq 5, x \in Z}

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