Extra Homework on Ch 4 &amp; 5 of text

# Extra Homework on Ch 4 &amp; 5 of text - Econ 1540 both...

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Unformatted text preview: Econ 1540 both sections Extra Homework on Ch 4 and Â§__ of text_(_Matrices and Determinants) .; l. LetmatrixA= CÂ» l- Câ€˜ 2. Find ALL matrices B that commute with A in multiplication. 2. Find â€œ6.1.1.4.! matrices X such that AX=B Where A is the matrix in (I) above and B is ' Â«:5 C? i (9 0 2 ,1 3. Find the value(s) ofx that makes matrix A below singular 4. A matrix is said to be orthogonal if its transpose is equal to its inverse. Show that matrix A below is orthogonal. A: \ 0 C C; 1 Câ€˜ \ C Note: Solutions will be posted next week. ...
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