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Find a G.P. for which sum of the firs...

Find a G.P. for which sum of the first two terms is `-" "4` and the fifth term is 4 times the third term.

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RD SHARMA ENGLISH-GEOMETRIC PROGRESSIONS-All Questions
  1. Find the sum of the series 2+6+18++4374

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  2. The sum of first three terms of a G.P is 16 and the sum of the next th...

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  3. Find a G.P. for which sum of the first two terms is -" "4 and the f...

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  4. The sum of some terms of a G.P. is 315 whose first term and the common...

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  5. Find the sum of the products of the corresponding terms of the sequ...

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  6. if S is the sum , P the product and R the sum of reciprocals of n term...

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  7. A person writes a letter to four of his friends. He asks each one of ...

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  8. If f is a function satisfying f(x+y)=f(x)xxf(y) for all x ,y in N suc...

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  9. Find the natural number a for which sum(k=1)^nf(a+k)=16(2^n-1), where...

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  10. Find the sum of the following geometric progression: 2,6,18… to 7 term...

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  11. Find the sum of the following geometric progression: 1,3,9,27,… to 8 ...

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  12. Find the sum of the following geometric progression: 1,\ -1//2,\ 1//4,...

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  13. Find the sum of the following geometric progression: (a^2-b^2),\ (a-b)...

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  14. Find the sum of the following geometric progression: 4,2,1,1//2, \ to\...

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  15. Find the sum of the following geometric series: 0. 15+0. 015+0. 0015+ ...

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  16. Find the sum of the following geometric series: \ sqrt(2)+1/(sqrt(2))+...

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  17. Find the sum of the following geometric series:2/9-1/3+1/2-3/4+ to\ 5\...

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  18. Find the sum of n terms of series (x+y) + (x^2+ xy +y^2)+(x^3+x^2y+xy^...

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  19. Find the sum of the series upto infinite terms 3/4-5/4^2+3/4^3-5/4^4+....

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  20. Find the sum of the following geometric series: a/(1+i)+a/((1+i)^2)+a/...

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