HP - harmonic progression

Determine the 10th term of the harmonic progression 6,4,3,…

Correct result:

h10 =  1.0909


h1=6 h2=4 h3=3  a1=1/h1=1/6=160.1667 a2=1/h2=1/4=14=0.25 a3=1/h3=1/3=130.3333  d1=a2a1=0.250.1667=1120.0833 d2=a3a2=0.33330.25=1120.0833  d1=d2 d=d1=0.0833=1120.0833  a10=a1+9 d=0.1667+9 0.0833=11120.9167  h10=1/a10=1/0.9167=1211=1.0909

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