Let AequalsStart 2 By 2 Table 1st Row 1st Column a 2nd Column b 2nd Row 1st Column c 2nd Column d EndTable
. Show IAequalsA.
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Part 1
What should be done to show IAequalsA?
A.
Left multiply A by the 2times2 identity matrix.
Your answer is correct.B.
Left multiply A by Start 2 By 2 Table 1st Row 1st Column 1 2nd Column 1 2nd Row 1st Column 1 2nd Column 1 EndTable
.
C.
Solve the equation AXequalsI, where X is a matrix of variables.
D.
Left multiply A by Upper A Superscript negative 1.
Part 2
Perform the operation above.
left bracket Start 2 By 2 Matrix 1st Row 1st Column left parenthesis nothing right parenthesis a plus left parenthesis nothing right parenthesis c 2nd Column left parenthesis nothing right parenthesis b plus left parenthesis nothing right parenthesis d 2nd Row 1st Column left parenthesis nothing right parenthesis a plus left parenthesis nothing right parenthesis c 2nd Column left parenthesis nothing right parenthesis b plus left parenthesis nothing right parenthesis d EndMatrix right bracket
