SOLUTION: Find the inverse of [3 1][-4 1], if it exists.
A. does not exist
B. 1/7[1 3][4 -1]
C. 1/7[1 -1][4 3]
D. 1/7[-3 -4][1 -1]
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Question 388478: Find the inverse of [3 1][-4 1], if it exists.
A. does not exist
B. 1/7[1 3][4 -1]
C. 1/7[1 -1][4 3]
D. 1/7[-3 -4][1 -1]
Thank you so much!!!
God Bless and Happy Holidays!!!!
Answer by Jk22(389) (Show Source): You can put this solution on YOUR website!
C.
(the inverse of [a b][c d] is [d -b][-c a]/(ad-bc) )
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