Question

if A= {3,6,9,12,15,18,21};B={4,8,12,16,20};C={2,4,6,8,10,12,14,16};D={5,10,15,20}.find A-B, A-C,A-D, B-A, C-A, D-A, B-C, B-D, C-B, D-B​

Answer 1

I hope this will help u.

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Answer 2

Answer:

5 , 1 0 , 1 5................