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Determine k so that : 2/3, k, 5/8 , are ...

Determine k so that : `2/3, k, 5/8` , are the three consecutive terms of an A.P.

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MODERN PUBLICATION-SEQUENCES AND SERIES-EXERCISE
  1. Determine k so that k+2, 4k-6 and 3k-2 are three consecutive terms of...

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  2. Determine k so that : 8k + 4, 6k-2, 2k-7, are the three consecutive te...

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  3. Determine k so that : 2/3, k, 5/8 , are the three consecutive terms of...

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  4. Show that the linear function in n i.e. f(n)=an+b determines an arithm...

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  5. The third term of an A.P. is 25 and the tenth term is - 3. Find the fi...

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  6. The 10th term of an A.P. is 52 and the 16th term is 82. Determine the ...

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  7. The 3rd term of an A.P. is 1 and 6th term is -11. Determine its 15th t...

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  8. In an A.P., the third term is p and the fourth term is q, find the 10t...

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  9. The first term of an A.P. is -4 and 10th term is 14. Determine the 30t...

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  10. In an A.P., the mth term is 1/n and the nth term is 1/m, find the (mn)...

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  11. The 4th term of an A.P. is equal to 3 times the first term and 7^(th) ...

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  12. The 2nd, 31st and last terms of an A.P. are 7 3/4, 1/2 and -6 1/2 resp...

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  13. If the pth,term of an A.P. is q and the qth is p, then the rth term is

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  14. In an A . P , if mth Term is n and nth term is m , where m nen , f...

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  15. If pth term of an A.P. is c and the qth term is d, what is the rth ter...

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  16. Show that the sum of (m+n)^(th) and (m -n)^(th) terms of an A.P. is eq...

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  17. For the A.P., a1, a2,a3, ............., if a4/a7= 2/3, find a6/a8.

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  18. If a1, a2,a3,..........., an be an A.P. of non-zero terms, prove that ...

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  19. If a1, a2, ............, an are in A.P. and ai >0 for all i , prove th...

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  20. If a1, a2,a3,..........., an are in A.P. with common difference d, pro...

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