will anyone explain me how do we solve this ?
#need help with determinant
distant ginkgo
sturdy dirge
will anyone explain me how do we solve this ?
We have:
A^(-1) = det(A)^(-1) adj(A)
So:
adj(A) = det(A) A^(-1)
As the adjugate matrix is the transpose of the cofactor matrix, we get:
cof(A) = adj(A)^T = det(A) A^(-T)
And now you can find cof(A). Note the size of A.
distant ginkgo
We have:
A^(-1) = det(A)^(-1) adj(A)
So:
adj(A) = det(A) A^(-1)
As the adjugate ...
Thankyou 
lucid yokeBOT
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