a 1 If matrix X = and X2 - X + I= 0 (I is the identity matrix andt a“ +a -1 1-a O is the zero matrix), then the inverse of X is
a 1 If matrix X = and X2 - X + I= 0 (I is the identity matrix andt a“ +a -1 1-a O is the zero matrix), then the inverse of X is
Chapter7: Systems Of Equations And Inequalities
Section7.7: Solving Systems With Inverses
Problem 3SE: Can you explain whether a 2×2 matrix with an entire row of zeros can have an inverse?
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and X² - X + I = 0 (I is the identity matrix andt
a
If matrix X=
-a? +a -1 1
a
O is the zero matrix), then the inverse of X is
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