In a `A.P` & an `H.P` have the same first term, the same last term & the same number of terms;
320 views · Published 13 October 2018 · 4:59 · Indexed 28 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW In a `A.P` & an `H.P` have the same first term, the same last term & the same number of terms; prove that the product of the `r^(th)` term from the beginning in one series & the `r^(th)` term from the end in the other is independent of `r.`
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