1.

Let A={x:x2−9≤0,x∈Z} and B={x:|x−2|<3,x∈Z}. Then the number of elements in AΔB is

Answer»

Let A={x:x2−9≤0,x∈Z} and B={x:|x−2|<3,x∈Z}. Then the number of elements in AΔB is



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