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If the seventh term of an AP is 1/9 and ...

If the seventh term of an AP is 1/9 and its ninth term is 1/7, find its `(63)^(r d)` term.

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RD SHARMA ENGLISH-ARITHMETIC PROGRESSIONS-All Questions
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  2. Find the number of all three digit natural numbers which are divisible...

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  13. Show that the sequence defined by an=4n+5 is an AdotPdot Also, find...

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  14. Show that the sequence defined by an=2n^2+1 is not an AdotPdot

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  15. Show that a sequence is an AdotPdot if its n t h term is a linea...

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