題組內容

以下第24題到第25題需要簡明寫出計算過程,答案正確但沒有計算過程,將酌扣分數或不給分。
 24.  Let x - a be a vector in the vector space C[0,1] with inner product (f, g) =6204d59846918.jpg

(c) Find the best least squares approximation to x2 on the interval [0,1] by a linear function.