Question

if n(A)=2 and B={-1,0,3} then what is the number of elements in A×B ?​

Answer 1

Answer:

-2,0,6

Step-by-step explanation:

A=2

B=(-1,0,3)

(given)

A×B=2×-1,0,3

-》-2,0,6

Answer 2

Step-by-step explanation:

$n(a ) = 2 \\ n(b) \: = 3 \\ \\ therefore \: \\ n(a \times b) = n(a) \times n(b) \\ \: \: \: \: \: \: \: \: \: \: \: \: \: = \: \: 2 \times 3 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: = \: \: \boxed{6} \: \bold \green {ans}$