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Harmonic Progression
Mathematics
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Question 1
Target (sec):
00:00
If $H_1,H_2,\ldots,H_n$ are $n$ harmonic means between $a$ and $b$, $a\ne b$, then the value of $\dfrac{H_1+a}{H_1-a}+\dfrac{H_n+b}{H_n-b}$ is equal to
A.
$n+1$
B.
$n-1$
C.
$2n$
D.
$2n+3$
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