(1 point) Solve for X. Assume X is a 2 × 2 matrix and I denotes the 2 × 2 identity matrix. Do not use decimal numbers in your answer. If there are fractions, leave them unevaluated 9 -9 9 -6
Algebra Solve the matrix equations 469)-[94. (1+[1 ))*-1, that is, find all 2 x 2 matrices A that satisfy both equations. Ilere, 12 denotes the 2 x 2 identity matrix.
Use an identity to solve the following equation on the interval [0,21). 2 cos2x- sin x-1=0 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. X= (Type your answer in radians. Use integers or fractions for any numbers in the expression. Type an exact answer, using a as needed. Use a comma to separate answers as needed.) OB. There is no solution.
(1 point) Solve for the matrix X if AX(DBX)C. Assume that all matrices are n x n and invertible as needed. You can enter the inverse of a matrix A as A-1)
Use an identity to solve the equation on the interval [0, 21). 9+9 sin 0 = 6 cos 20 What is the solution in the interval [0, 21)? Select the correct choice and fill in any answer boxes in your choice below. A. 0= (Simplify your answer. Type an exact answer, using a as needed. Type your answer in radians. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.) O B....
Use an identity to solve the equation on the interval [0,21). sin ?x-4 cos x + 4 = 0 What is the solution in the interval [0,21)? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. X= (Type your answer in radians. Use integers or fractions for any numbers in the expression. Type an exact answer, using a as needed. Use a comma to separate answers as needed.) B. There is...
You are wanting to communicate secret messages with your friend, and you choose to do this with matrices. The encoding matrix that you choose to use is 2 -2 -1 6 You use the following key to convert your message into a string of numbers, where "O" is used as a placeholder where required. A B C D EF G H IJ K L M 10 2 11 24 19 5 25 20 3 7 16 6 14 N O...
Use row operations on an augmented matrix to solve the following system of equations. X+ y- z = 20 - x + 3y - 2 = 18 3x + 2y - 2z = 47 Select the correct choice below and, if necessary, fill in any answer boxes to complete your choice. O A. The solution set is {C}. (Simplify your answers. Type an integer or a simplified fraction.) OB. There are infinitely many solutions. The solution set is the set...
About linear algebra,matrix; 2. (a) Use Octave as a Calculator to answer this question. Suppose that A and B are two 8 x 9 matrices. The (i.j)-entry of the matrix B is given by i *j -1. The (i. j)-entry of the matrix A equals 0 if i + j is divisible by 5 and equals the (i,j)-entry of the matrix B otherwise. i. What are the rank and nullity of matrices A and B? ii. Is vector u 9,64,-71,...
10 and 11 please and TY! all parts x + 2 1 1 4 10. Solve the following equations 2 11 a) +-= 3x 6.x 3 b) V = nr. solve for r. c) 25cos? - 2 = 0 d) 7x + 2 + x = 6 4 y pas I CA 11. Do the indicated operation and write the answer in the complex form a + bi. a) (-5+71)-(-2 +31) b) (6+71)2 -3-2i c) CRE 5+2i