Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If b is the harmonic mean between a and c, then prove that 
+ 
= 
.
Text Solution
Verified by ExpertsThe correct answer is:
B
b = 
+ 
= 
L.H.S. = 
= 
+ 
= 
+ 
= 
+ 
= 
= 
= 
+ 
= RHS
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