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17. A number, x, is the harmonic mean of two numbers, a and b, if is the mean of 1 and x a a) Write a fully simplified equation to represent the harmonic mean of a and b (isolate x). State the restrictions on a and b. b) The harmonic mean of 6 and another number is. What is the other number? 5

17. A number, x, is the harmonic mean of two numbers, a and b, if is the mean of 1 and x a a) Write a fully simplified equation to represent the harmonic mean of a and b (isolate x). State the restrictions on a and b. b) The harmonic mean of 6 and another number is. What is the other number? 5

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Please answer this advanced functions grade 12 question on paper, please make sure the answer is correct and on paper if possible.

17. A number, x, is the harmonic mean of two numbers, a and b, if is the mean of 1 and x a a) Write a fully simplified equation to represent the harmonic mean of a and b (isolate x). State the restrictions on a and b. b) The harmonic mean of 6 and another number is. What is the other number? 5
Transcribed Image Text:17. A number, x, is the harmonic mean of two numbers, a and b, if is the mean of 1 and x a a) Write a fully simplified equation to represent the harmonic mean of a and b (isolate x). State the restrictions on a and b. b) The harmonic mean of 6 and another number is. What is the other number? 5
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