Respostas

2014-03-12T18:54:14-03:00
  \left[\begin{array}{ccc}a11&a12\\a21&a22\\\end{array}\right]

aij=i²-3j
a11 = 1² - 3.1 = 1 - 3 = -2
a12 = 1² - 3.2 = 1 - 6 = -5
a21 = 2² - 3.1 = 4 - 3 =1
a22 = 2² - 3.2 = 4 - 6 = -2

matriz :  \\  \\   \left[\begin{array}{ccc}-2&-5\\1&-2\\\end{array}\right]
1 5 1