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Which term of the following sequences 2,...

Which term of the following sequences `2,2sqrt2,4…`is `128`?

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Which term of the following sequences (a) 2,2 sqrt2, 4, . . . is 128 ? (b) sqrt3, 3,3 sqrt3 in..., is 729 ? (c) 1/3, 1/9, 1/27, . . . . is 1/(19683) ?

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A N EXCEL PUBLICATION-SEQUENCES AND SERIES-QUESTION BANK
  1. The 5^th, 8^th and 11^th terms of a GP are p, q and s respectively. Pr...

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

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  3. Which term of the following sequences 2,2sqrt2,4…is 128?

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  4. Which term of the following sequences sqrt3,3,3sqrt3,...is 729?

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  5. Which term of the following sequences 1/3,1/9,1/27,...is1/19683?

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  6. Find the sum to 20 terms of 0.15,0.015,0.0015,..

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

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  8. Find the sum to n terms of the G.P.sqrt7,sqrt21,3sqrt7…

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  9. Find the sum to n terms of the G.P. 1,-a,a^2,-a^3,...(ane-1)

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  10. Find the sum to n terms of the G.P.x^3,x^5,x^7,…(xne+-1)

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  11. Evaluate underset(K=1)overset11sum(2+3^K)

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  12. The sum of the first three terms of a GP is (39)/(10) and their produc...

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  13. How many terms of the 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 ...

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

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  16. The sum of the first two terms of a GP Is -4 and the fifth term is 4 t...

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  17. If the 4^(th),10^(th) and 16^(th) terms of a G.P. are x,y and z respec...

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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,a...

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