Abstract
We prove the following theorem: Let m ≥ 2 be a given integer and let a, b, c be real numbers. The inequalities, hold for all integers n ≥ 2 and real numbers x ∈ (0, π) if and only if. This refines a result due to Turán.
Original language | English |
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Journal | Journal of Approximation Theory |
Volume | 164 |
Issue number | 11 |
Pages (from-to) | 1496–1500 |
ISSN | 0021-9045 |
Publication status | Published - Nov 2012 |