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If the mth term and nth term of an A.P. ...

If the mth term and nth term of an A.P. are respectively n and m show that the (m + n)th term is zero and pth term is `m + n-p`.

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KALYANI PUBLICATION-PROGRESSION-EXERCISE
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  3. If the mth term and nth term of an A.P. are respectively n and m show ...

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  4. The pth term of an A.P. is q and qth term is p. Show that the nth term...

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  5. The pth term of an A.P. is —q and qth term is -p. If the nth term is z...

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  7. The sum of the pth and the qth term of an A.P. is equal to the sum of ...

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  8. If pth, qth and rth term of an A.P. are in A.P., show that p, q, r als...

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

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  10. The sum of the pth and qth term of an A.P. is one, and rth term is one...

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  11. The pth term of an A.P. is twice the qth term. Again the sum of qth an...

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  12. The sum of three consecutive terms of an A.P. is 21 and their product ...

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  13. The sum of three consecutive terms of an A.P. is 36 and their product ...

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  14. The sum of three consecutive terms of an A.P. is 54. If the product of...

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  15. The sum of three numbers in A.P. is 12. If the sum of the squares is 5...

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  17. Divide 69 into three parts such that the parts may form as A.P. and th...

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  18. Divide 72 into three parts such that the parts may form,an AP. and the...

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  19. The product of three numbers in A.P. is 648. If the greatest is twice ...

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  20. The sum of the squares of three numbers in A.P. is 116. If the greates...

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