Some US census population data is given in the following table. Year yeatr 1980 1990 2000 population(y) 227 249 281          Here population is given in millions. 1. Fit a second degree polynomial passing through these points. 2. Use it to predict population in year 2010 and 2020.                                            Note: Develop the linear system of equations from the above theory and solve the system by LU Decomposition Method. (linear algebra)

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