If A and B are two sets such thatA - -1- 2- 3- nA- B-9- then n B is

A = { 1, 2, 3}⇒ n(A)=3 n(A× B)= n(A)· n(B) ⇒ 9=3 × n(B) ⇒ n(B)=3 nbsp; ...

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Number of Elements in a Cartesian Product

If A and B ar...

Question

If $A$ and $B$ are two sets such that $A = {- 1, 2, 3}, n (A \times B) = 9,$ then $n (B)$ is

9

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3

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6

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1

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Similar questions

A

B

A = {- 1, 2, 3}, n (A \times B) = 9,

n (B)

A

B

A = {- 1, 2, 3}, n (A \times B) = 9,

n (B)

A

B

n (A) = 3

n (B) = 5,

n (A \times B) =

A

B

A \times B = {(1, 1), (1, 2), (1, 3), (2, 1), (2, 2), (2, 3)}

B

Let A and B be two sets such that n(A) = 3 and n(B) = 2. If (x, 1), (y, 2), (z, 1) are $A \times B,$ write A and B.

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