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If H1, H2 ...... Hn be n harmonic means between a and b, then

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If H1, H2 ...... Hn be n harmonic means between a and b, then \(\frac{H_1 +a}{H_1 -a} + \frac{H_n+b}{H_n - b}\) is equal to

a. 0

b. n

c. 2n

d. 1

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1 Answer

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by (53.5k points)

Correct option is c. 2n

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