1.

Find the cardinal number of A2 = { x:x € N and 3《x 《7} explain​

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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