Preparation for Exam 2 




ü Review all definitions (boldface words) ü Make sure you understand how to find basis for the solution space of a homog system (p254) ü Make sure you know how to find the reducedechelon form ü Make sure you know how to find the inverse of a matrix by applying seq. of row operations ü Make sure you know how to solve any linear system by cramer's rule ü Make sure you know how to show that a set of functions is linearly independent by Wronskian. ü Make sure you understand the contents of p167p170 (3 possibilities  equal number of equations and variables). ü Make sure you know how to evaluate a determinant by using cofactor expansion. ü Make sure you know all prop. of determinant (prop1prop7 p202) and eq14 and eq15 page 207 ü Make sure you understand how to solve a homog. linear differential equations with constant coeff (3cases: distinct realrepeated real  complex) ü location of the exam: Bld54 close to Ryiadh Bank ü Time: After Maghreb prayer ( 6:15 PM)
