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if m times the mth term of an A.P. is eq...

if m times the mth term of an A.P. is equal to n times the nth term and `m!=n` show that `(m+n)`th is zero.

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KALYANI PUBLICATION-ARITHMATIC PROGRESSION-EXERCISE
  1. how many multiples of 7 lie between 100 and 1000

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  2. In a given A.P. it pth term is q and qth term is p, then show that the...

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  3. if m times the mth term of an A.P. is equal to n times the nth term an...

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  4. If the qth term of an A.P is twice the pth term and rth term is twice ...

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  5. the following are the nth term of certain sequence. Determine whether ...

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  6. the following are the nth term of certain sequence. Determine whether ...

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  7. the following are the nth term of certain sequence. Determine whether ...

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  8. the following are the nth term of certain sequence. Determine whether ...

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  9. the following are the nth term of certain sequence. Determine whether ...

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  10. the following are the nth term of certain sequence. Determine whether ...

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  11. Find the sum of positive integers less than 400.

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  12. Find the sum 5+17+29+41......upto 20th term.

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  13. Find the sum 2+3fr1/2+5+6fr1/2+....... upto 25th term.

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  14. Find the sum 0.5+0.25+0-0.25....... upto 16th term.

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  15. Find the sum (1-1/n)+(1-2/n)+(1-3/n)+........upto n terms.

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  16. If a1=104,a24=196,find C.D.(=d) and sum upto 24th term(=S24)

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  17. If the last term is 994,the sum of the A.P series whose first term is ...

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  18. Find the number of terms of the A.P. 63,60,57......so that their sum i...

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  19. Find the number of terms of A.P. 64,60,56.....so that their sum is 544...

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  20. How many terms of the A.P. 9,17,25.....must be taken so that their sum...

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