The harmonic mean of two numbers, a and b, is a number m such that the reciprocal of m is the average of the reciprocals of a and b. Which of the following is a formula for the harmonic mean of a and b? O m= m = 2ab a+b Om= 2 a+b m = a +b 2 a+b 2ab
The harmonic mean of two numbers, a and b, is a number m such that the reciprocal of m is the average of the reciprocals of a and b. Which of the following is a formula for the harmonic mean of a and b? O m= m = 2ab a+b Om= 2 a+b m = a +b 2 a+b 2ab
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.3: Geometric Sequences
Problem 58E
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![The harmonic mean of two numbers, a and b, is a number m such that the reciprocal of m is the average of the
reciprocals of a and b. Which of the following is a formula for the harmonic mean of a and b?
O
O
m =
m =
m =
m =
2ab
a+b
2
a+b
a+b
2
a+b
2ab](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F02c384e1-58b7-46d1-a95f-d293d124c600%2F86f5bf21-9bb6-4c95-98af-c160185058c7%2Fq45yg5m_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The harmonic mean of two numbers, a and b, is a number m such that the reciprocal of m is the average of the
reciprocals of a and b. Which of the following is a formula for the harmonic mean of a and b?
O
O
m =
m =
m =
m =
2ab
a+b
2
a+b
a+b
2
a+b
2ab
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