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This is the matrix im talking about [A B]
[C D]
For a 2x2 matrix if the f***ing AD-BC does not = 0 thennnn theres an inverse!!!!
Sooo........
Use this equation!!!
1/(AD-BC) multiplied by the matrix [D -B] <----- this is 1
[C -A] <----matrix!! and so is the one above
mother f***!!!
try it
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Is Inverse of the inverse matrix the original matrix?
Let A by an nxn non-singular matrix, then A-1 is the inverse of A. Now (A-1 )-1 =A So the answer is yes.
How are the inverse matrix and identity matrix related?
If an identity matrix is the answer to a problem under matrix multiplication, then each of the two matrices is an inverse matrix of the other.
What is an orthogonal matrix?
A matrix A is orthogonal if itstranspose is equal to it inverse. So AT is the transpose of A and A-1 is the inverse. We have AT=A-1 So we have : AAT= I, the identity matrix Since it is MUCH easier to find a transpose than an inverse, these matrices are easy to compute with. Furthermore, rotation matrices are orthogonal. The inverse of an orthogonal matrix is also orthogonal which can be easily proved directly from the definition.
How do you find the inverse of a 10x2 matrix?
A non-square matrix cannot be inverted.
Does inverse of 5x5 matrix exists?
of course it does
