SOLUTION: Given the information shown below on harmonic sequences, find one harmonic mean between 1/4 and 1/10.
If a_1, a_2, a_3, ..., a_n is an arithmetic sequence where a_n does not equ
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If a_1, a_2, a_3, ..., a_n is an arithmetic sequence where a_n does not equ
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Question 1035871: Given the information shown below on harmonic sequences, find one harmonic mean between 1/4 and 1/10.
If a_1, a_2, a_3, ..., a_n is an arithmetic sequence where a_n does not equal 0, then 1/a_1 , 1/a_2 , 1/a_3 , ... , 1/a_n is a harmonic sequence. Answer by robertb(5830) (Show Source):
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The reciprocals of 1/4 and 1/10 are 4 and 10 respectively. The one arithmetic mean between 4 and 10 is (4+10)/2 = 7. Therefore the harmonic mean between 1/4 and 1/10 is .
