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The terms  form an arithmetic sequence whose sum is 18. The terms , in that order, form a geometric sequence. Then the absolute value of the sum of all possible common difference of the A.P. is



Question ID - 153612 | SaraNextGen Top Answer

The terms  form an arithmetic sequence whose sum is 18. The terms , in that order, form a geometric sequence. Then the absolute value of the sum of all possible common difference of the A.P. is

1 Answer
127 votes
Answer Key / Explanation : (1) -

(1)

Let

Hence, the number in A.P.

 in G.P.

i.e.  in G.P>

Hence, the sum of all possible common different is

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