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Grade: 12th pass 

                        
Given n positive numbber in real number in R the product of their harmonic mean and their arithemetic mean is 1
3 years ago

Answers : (1)

Rohit pandey
12 Points 
							let, a & b be two real positive numbers. Then , A.M of a & b = a + b.       H.M = a*b/(a+b).Thus, A.M*H.M=a*b.Now, according to the question , a*b= 1.i.e; a = 1/b.Therefore, two positive real numbers ben & 1/ n.
3 years ago
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