Errata k resenim

2.92  (a)  B = {(2,1,0,0),(0,0,4,1)}
2.96  (d)  7^1 1  ->  7^{11} ,  7^1 0  ->  7^{10}  (vicekrat)
3.94  (c)  tj. X = B(A^2-A)  ->   tj. X = B(A^2-A)^-1
4.60  (d)  -189  ->  -63

7.117      Spolecny postup: alpha b_1 + beta b_2 + gamma b_3 = (1,2,3)
                                                            -> (1,2,4)

7.122      zaverecny soucin vychazi: [[2, 1, 2],
                                     [-2, 3, -5]].
7.161 (a)  3: (2,0,2)  ->  3: (2,0,1)
8.53  (c)  posledni radek matice po eleiminaci je:  (0, 0, 1, -1),
           mnozina kolmych vektoru: <(1, -5, 3, 3)>.
10.83 (b)      (......           (......
           H ~  ......  ->   H ~  ......
                001100)           001110)
11.81 (d)  z(x) = 85/27 x + 53/27  ->  z(x) = -85/27 x + 53/27
11.89      Podelenim zkoumaneho polynomu polynomem x^2-2x+2 dostavam ->
           Protoze 1+i je alespon dvojnasobny (napoveda v zadani),
	   mohu delit zkoumany polynom polynomem (x^2-2x+2)^2 a dostavam