The 2nd term of an HP is 40/9 and the 5th term is 20/3. find the maximum possible number of terms in H.P. what do we mean by this sentence in this question?

Dear student,

If a, a + d, a + 2d, a + 3d, ……. are in A.P. 
Then 1/a, 1/a+d, 1/a+2d , 1/a+3d are in HP


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