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Find the cardinal number of A2 = { x:x € N and 3《x 《7} explain |
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Answer» Answer: 4 Step-by-step EXPLANATION: A 2={x:x∈N and 3≤x<7}={3,4,5,6} The NUMBER of ELEMENTS in the set A2is 4. ∴ Cardinal number of set A2=4 |
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