2 4 7 6 1 57 3 5 6 7 8 9 2 Q1. IA Matlab 4 6 7 8 9 1 12 15 7 8 2 917 Use the matrix A to find (Do not type individual elements explicity): a. Create a matris 8 from the second and fourth rows, and the third through the seventh columns of matrix A. b. Create a matrix from all rows and the third through fitth cokunns of matrix A. c. Create a matrix D such that its first row includes the first two elements and the last two elements of the first row of A, and the second row of D includes the second through the fifth elements of the third row of A. d. Create a matris E from all columns and the second through the last row in A In Exercises 130, find the general solution of the given equation. 1. y" - y' - 12y = 0 2. 3y" y' = 0 3. y" + 3y' - 4y = 0 4. y" - 9y = 0 5. y" 4y = 0 6. y" - 64y = 0