1 4 Use Gauss-Jordan Elimination to find the inverse of A 2 9 A-1 Use Gauss-Jordan Elimination to find the inverse of O 1 2 В 1 0 1 0 0 2 В 1 ||

-1 2 -31 4 -3 4 For the matrices A=| -2 5 and B =| -2 -4 show that | BA|= || B | . -3 4 -2 -1

b1 = ______ b2 = ______

It is possible to write rk as a linear combination of Chebyshev's polynomials, for example + Suppose that 7x* – 6x³ – 2x² +3x – 1 =aT:(x) i=0 What are the values of a2, and az? O 0, 3/4 O 4, -1/2 O 1/2, 3/4 O 5/2, -3/2