Math, asked by ananya4513, 7 months ago

please tell me this question answer don't spam​

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Answered by dhruvipatel271006
1

Answer:

1. four pairs

2. 2 pairs ac and be

3. four pairs /_A &/_D, /_A& /_B,/_B&/_C ,/_D&/_C

4. 2 pairs /_A& /_C,/_D/_B

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