The function (coshsqrt{at²+b}) is exponentially convex
classification
🧮 math.CA
keywords
functionconvexexponentiallysqrtaxiscoshgivennumbers
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Given positive numbers $a$ and $b$, the function $\sqrt{at^2+b}$ is exponentially convex function of $t$ on the whole real axis. Three proofs of this result are presented.
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