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The 5^(th), 8^(th) and 11^(th) terms of ...

The `5^(th), 8^(th) and 11^(th)` terms of a G.P are p,q and s , respectively . Show that `q^2 =ps`.

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NCERT BANGLISH-SEQUENCES AND SERIES-EXERCISE 9.3
  1. Find the 20^(th) and n^(th) terms of the G.P. 5/2 ,5/4 , 5/8, ...........

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  2. Find the 12^(th) term of a G.P. whose 8^(th) term is 192 and the commo...

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  3. The 5^(th), 8^(th) and 11^(th) terms of a G.P are p,q and s , respecti...

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  4. The 4^(th) term of a G.P. is square of its second term, and the first...

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  5. Which term of the following sequences: (a) 2,2sqrt2,4.......... is 1...

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  6. For what values of x, the numbers -2/7 , x, -7/2 are in G.P ?

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  7. Find the sum to indicated number of terms in each of the geometric pro...

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  8. Find the sum to indicated number of terms in each of the geometric pro...

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  9. Find the sum to indicated number of terms in each of the geometric pro...

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  10. Find the sum to indicated number of terms in each of the geometric pro...

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  11. Evaluate sum(k=1)^11(2+3^k)

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  12. The sum of first three terms of a G.P. is 39/10 and their product is 1...

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  13. How many terms of G.P. 3, 3^2, 3^3, … are needed to give the sum 120?

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  14. The sum of first three terms of a G.P. is 16 and the sum of the next t...

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  15. Given a G.P. with a = 729 and 7^("th") term 64, determine S7 .

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  16. Find a G.P. for which sum of the first two terms is – 4 and the fifth ...

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  17. If the 4th, 10th and 16th terms of a G.P. are x, y and z, respectively...

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  18. Find the sum to n terms of the sequence, 8, 88, 888, 8888… .

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  19. Find the sum of the products of the corresponding terms of the sequenc...

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  20. Show that the products of the corresponding terms of the sequences a, ...

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