Question: Please help with Q2 only Given A = 0 - 2 4 16= , and x = X1 6 X2 O 1. Calculate: (@) A!

Please help with Q2 only

Given A = 0 - 2 4 16= , and x = X1 6 X2 O 1. Calculate: (@) A! (b) IA (c) 1x (d) x'l Indicate the dimension of the identity matrix used in each case. Chapter 4 Linear Models and Matrix Algebra 73 2. Calculate: (a) Ab (b) Atb (c) XIA (d) x'A Does the insertion of / in (b) affect the result in (a)? Does the deletion of / in (d) affect the result in (c)

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