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The common difference of the AP x-y, x, ...

The common difference of the AP `x-y, x, x+y` is ……….

A

x

B

y

C

`-x`

D

`-y`

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BEYOND PUBLICATION-PROGRESSIONS-EXERCISE
  1. The nth term if a GP = a(n) = ar^(n-1) here 'r' means ........

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  2. The 'n' th term of an A.P. is a(n)=3+2n then the common difference is ...

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  3. The common difference of the AP x-y, x, x+y is ……….

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  4. The common difference of the AP 2a-b, 4a-3b, 6a-5b is ………..

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  5. In a GP a(1) = 20 and a(4) = 540 then r = …………..

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  6. Formula for sum of 'n' terms in an AP = …………..

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  7. In an A.P the 3^(rd) term = 5 and 7^(th) term = 9 then the common diff...

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  8. In the formula of n^(th) term of term of a Geometric Progression a(n)=...

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  9. Which of the following is a GP with a common ratio r=sqrt2.

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  10. Which term of the G.P.3,9,22,…. Is 243?

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  11. The series (n-1),(n-2),(n-3),…. Is a type of

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  12. If log a, log b, log c are in A.P. then a,b,c are

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  13. pi+2,pi,pi-2,pi-4,….write the first term and the common difference.

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  14. If the 5^(th) and 10^(th) terms of an A.P. are -6 and -21 respectively...

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  15. If the sum of the first n terms of an A.P. is 3n+n^2, what is the firs...

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  16. Find 'x' so that 5x-3,8x and 15x+3 are in G.P. and taking x as positiv...

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  17. If the geometric progressions 256,64,16,….and 1/16,1/4,1,….. Have thei...

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  18. 2a,3a,4a….is in AP then d=

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  19. a^3,a^4,a^5,….. Are in G.P then r=

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  20. G.M of P,Q,R is…..

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