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OpenStudy (anonymous):
Please help me on this question:) Thank you! Let R = [2 -1] [1 0] Find S such that RS = SR = 1 = [1 0] [0 1] Explain each step.
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OpenStudy (anonymous):
Oops sorry that the matrices are scooted and uneven :'(
OpenStudy (anonymous):
S is just the inverse of R
OpenStudy (anonymous):
Since SR=RS= Identity matrix
OpenStudy (anonymous):
Do you know how to find inverse matrices? Use Gauss Jordan Elimination exchanging [A:I] to [I:A^-1]
OpenStudy (anonymous):
yep so solve|dw:1373516921994:dw|
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OpenStudy (anonymous):
@catsarecool1995
OpenStudy (anonymous):
|dw:1373516947434:dw|
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