A

`{:(1,2,3,4),(d,b,c,a):}`

B

`{:(1,2,3,4),(b,d,a,c):}`

C

`{:(1,2,3,4),(a,b,c,d):}`

D

`{:(1,2,3,4),(b,a,c,d):}`

Text Solution

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The correct Answer is:
A
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