Lot f(x, v) = x* - y and also i,(0, 0) = 0, f(0, 0) = 0. also f(0, 0) = 0 then which of the following l 9. statement is true f is maximum at (0, 0) (a) fis mini

lot f(x, V) = X* - y and also i,(0, 0) = 0, f(0, 0) = 0. Also f(0, 0) = 0 then which of the following L 9. statement is true f is maximum at (0, 0) (A) fis minimum at (0, 0) (B) f is neither maximum nor minimum at (0, 0) (C) (D) None