Let C  A  B then(a) | C| is always greater then | A|(b) It is possible to have | C| | A| and | C|

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Let C  A  B then
(a) | C| is always greater then | A|
(b) It is possible to have | C| | A| and | C| | B|
(c) C is always equal to A + B
(d) C is never equal to A + B
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