If an A.P., a G.P. and a H.P. havethe same first term and same (2n+1)th term and their (n+1)^n t...

If an A.P., a G.P. and a H.P. havethe same first term and same (2n+1)th term and their (n+1)^n t...

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If first and (2 n-1)^th terms of an A.P., G.P., and H.P. are equal and their n^th terms are a, b,...
If first and (2 n-1)^th terms of an A.P., G.P., and H.P. are equal and their n^th terms are a, b,...
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