Complete the following table.

(CBSE handbook question)
Regards

Dear student,
A B A±B AB
2×2 2×2 2×2 2×2
2×3 3×2 Does not Exist 2×2
3×4 4×1 Does not exist 3×1
3×3 3×3 3×3 3×3
2×3 2×3 2×3 Does not exist
1×3 3×2 Does not exist 1×2
2×3 2×3 2×3 Does not exist
1×3 3×2 Does not exist 1×2
Regards

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