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The sum of the first three terms of a G....

The sum of the first three terms of a G. `P` is 16 and the sủm of the next three terms is 128. Determine the first term, common ratio and 'the sum to n térms of the G. `P`

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

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  2. How many terms of GP 3,3^2,3^3,..... are needed to give the sum 120?

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  3. The sum of the first three terms of a G. P is 16 and the sủm of the ne...

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

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

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

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  7. Find the sum to n terms of the series: 8, 88, 888,…..

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

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  9. Find four numbers forming a geometric progression.in which the third t...

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  10. If the p^th,q^th and r^th terms of a GP are a,b,c respectively, show t...

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  11. If the first and the n^( th) term of a .G. P are a and b, respectivel...

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  12. Show that the ratio of the sum of first n terms of a G. P to the sum o...

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  13. If a, b, c and d are in G . P, show that (a^2+b^2+c^2)(b^2+c^2+d^2)=(a...

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  14. Insert two numbers between 3 and 81 iso that the resulting sequence is...

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  15. Find the value of n so that (a^(n+1)+b^(n+1))/(a^n+b^n) may be the geo...

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  16. The sum of two numbers is 6 times their geometric mean, show that numb...

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  17. If A and G be A. M and G. M respectively between two positive numbers....

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  18. The number of bacteria in a certain culture doubles every hour. If the...

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  19. What will Rs. 500 amounts to in 10 years after its deposit in a bank w...

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  20. If A.M and G. M of roots of a quadratic equation are 8 and 5, respecti...

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