let f(X) : R(adsbygoogle = window.adsbygoogle || []).push({}); ^{n}--> R be a function defined on convex set S s.t S is a subset of

R^{n}(real space n-dim). Let f is positive throughout. Then define g(x) = (f(x))^2. Prove that if f(x) is convex then g(x) is also convex.

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# Convex functions

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