There are two sets A = {a: a ∈ N and –3 ≤ a ≤ 5} and B = {b: b ∈ Z and 0 ≤ b ≤ 4}. The number of elements common in A × B and B × A are
There are two sets A = {a: a ∈ N and –3 ≤ a ≤ 5} and B = {b: b ∈ Z and 0 ≤ b ≤ 4}. The number of elements common in A × B and B × A are
Asked by Shiksha User
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1 Answer
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A = {1,2,3,4,5} B = {0,1,2,3,4}
No. of elements common in A&B = 4.
∴ No. of elements common in A × B and B × A = 4 × 4 = 16
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