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Question: If * is defined for all positive real numbers a and b by a*b=ab/(a+b), then 10*2=?
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Question: If * is defined for all positive real numbers a and b by a*b=ab/(a+b), then 10*2=?
Question 1: If * is defined for all positive real numbers a and b by a*b=ab/(a+b), then 10*2=?
View topic: বিবিধ সমস্যা (Miscellaneous Problem)
5/3
5/2
5
20/3
Source: Bangladesh bank ; officer ( general) - 27.04.2018
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Answer: 5/3
Explanation:
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