Let n \in \mathbb{Z}^\plus{} and let a,b∈R. Determine the range of x0 for which
\sum^n_{i\equal{}0} x_i \equal{} a \text{ and } \sum^n_{i\equal{}0} x^2_i \equal{} b,
where x0,x1,…,xn are real variables. maximizationminimizationoptimizationalgebracalculusIMO Shortlist