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If an is the n^(th) term of an A.P whose...

If `a_n` is the `n^(th)` term of an A.P whose first term is a and common difference is d, prove that `n=(a_n-a)/d+1`

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A N EXCEL PUBLICATION-SEQUENCES AND SERIES-QUESTION BANK
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  10. Suppose that the first and the 5^(th) terms of an A.P. are-14 and 2 re...

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  11. If a is the first term and d is the common difference of an A.P, what ...

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  12. If 10 times the 10^(th) term of the A.P is equal to 15 times 15^(th) t...

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  13. Suppose that three numbers are in A.P. If the sum of the three numbers...

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