(a + b)/(a-b)
(a + b) × (a - b)
(a - b) / (a - b)
ab
Source: আমদানি ও রপ্তানি (অফিস সহায়ক) 06-03-2020
Answer: (a + b) × (a - b)
Explanation:
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ণ-ত্ব এবং ষ-ত্ব বিধান
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