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For what value of p are 2p+1, 13,5p-3 ar...

For what value of p are 2p+1, 13,5p-3 are three consecutive terms of an A.P.?

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Assertion (A): In the expansion of (1+x)^n , three consecutive terms are 5, 10,10 then n = 5 Reason (R ): If the coefficient of r^(th), (r + 1)^(th), (r + 2)^(th) terms of (1 +x)^n are in A.P. then (n-2r)^2 = n +2

BEYOND PUBLICATION-PROGRESSIONS-EXERCISE
  1. Find the sum of the first 25 terms of an A.P. whose n^(th) term is giv...

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  2. The first and the last terms of an A.P. are 17 and 350 respectively. I...

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  3. For what value of p are 2p+1, 13,5p-3 are three consecutive terms of a...

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  4. Find 'r' and write 3 more terms of each of the following G.Ps. x/y,1...

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  5. Find 'r' and write 3 more terms of each of the following G.Ps. 5,0.5...

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  6. Find 'r' and write 3 more terms of each of the following G.Ps. sqrt3...

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  7. Find 'r' and write 3 more terms of each of the following G.Ps. -3,1,...

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  8. Find 'r' and write 3 more terms of each of the following G.Ps. 2,4,8...

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  9. Find 'r' and write 3 more terms of each of the following G.Ps. -2/3,...

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  10. Which of the following are G.Ps? Write 3 more terms . 3,33,333,…..

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  11. Which of the following are G.Ps? Write 3 more terms . 1,2/3,4/9,….

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  12. Which of the following are G.Ps? Write 3 more terms . 1,-a,a^2,-a^3,...

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  13. Which of the following are G.Ps? Write 3 more terms . 4,8,10,20,…

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  14. Which of the following are G.Ps? Write 3 more terms . 128,-96,72,…

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  15. Which of the following are G.Ps? Write 3 more terms . 8/27,16/81,32/...

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  16. Find x so that x,x+4 and x+12 are consecutive terms of a geometric pro...

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  17. Find x so that x+1,5x-1, and 10x+7 are in G.P.

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  18. Write three terms of G.P. when the first term 'a' and the common ratio...

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  19. Write three terms of G.P. when the first term 'a' and the common ratio...

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  20. Write three terms of G.P. when the first term 'a' and the common ratio...

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