| For what values of x, the numbers | 2 | 7 | |---|---|---| 7 2- , x, - are in G.P.? Find the sum to indicated number of terms in each of the geometric progressions in Exercises 7 to 10:

Question

| For what values of x, the numbers | 2 | 7 |
|---|---|---|
7 2- , x, - are in G.P.? Find the sum to indicated number of terms in each of the geometric progressions in Exercises 7 to 10:

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Question 6