Mathematics, 05.05.2020 09:02 ben2005

Prove, using the second derivative, that the general quadratic y= ax^2+bx+c, is:
a) always convex when a>0
b) always concave when a <0

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Prove, using the second derivative, that the general quadratic y= ax^2+bx+c, is:
a) always con...

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