If H is the H.M between a and b, then 1 ...

If H is the H.M between a and b, then 1 / (H - a) + 1 / (H- b) mth term of a H.P is n and the nth term is m then its (m + n) therm is

A

a) a + b

B

b) a - b

C

c) 1/a - 1/b

D

d) 1/a + 1/b

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