Please leave out 2.4

2.3 Use the elementary row eperations to nd B" fer B in Ex = [3 in abeve #15, and use it to cempute x* =|: * J . which should be the same as your ansWer for #15. Y 2.4 Do Exercise 5.2.4 a and b on page 93. 2.5 Consider the national income mode] of Exercise 3.5.2 on page 47. New rearrange the problem as Bx = [3. where l l l C 40 33):}: l 0 b .x= G .and= aan . 0 l g Y 0 Find B" by Adjoint B, and use it to obtain it\" I B'IB, your answer should have the same C\" and '1\" as in #15 or #23. (Numbers refers to Chang-Wainwright Text.)