Question

Cosecx
If A= {1,2,3,4} and B=(2, 3, 6, 7) then the number of element
(A XB) (BxA) is:
i) 4
ii) 5
iv) 20
iii)
10​

Answer 1

Answer:

number of elements:-

n(A×B) = nA× nB

n(AxB)= 4×4

=16

n(BxA)= 4×4

=16

16+16=32

Step-by-step explanation:

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