Question: matrices 2 . Given A = ( a b 2 1 what is the relationship between a and 6 if A'I does not exist ?

matrices

2 . Given A = ( a b 2 1 what is the relationship between a and 6 if A'I does not exist ? 3. Find the value of a if matrix B = / a r o ) is not invertible ? 2 a - 2 1 3 -1 4 Given A = ( a o a and 0 4 a a a a B = /- 1/2 - 1/2 1 -1/2 0 12 1 1/2 - 1 / Find the value of a if B is the inverse of A

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