Question: Show that the quadratic function is strictly convex. f(x, x, x3) = 5x + 5x + 4x + 4xx + 2xx3

Show that the quadratic functionf(x, x, x3) = 5x + 5x + 4x + 4xx +

is strictly convex.

f(x, x, x3) = 5x + 5x + 4x + 4xx + 2xx3

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