4. Suppose there is an equation Ax=b as follows.  *Matrix A & B given on the image* a. Find the Determinant of the matrix A using a combination of Elementary Row / Column Operations and Cofactor Expansion b. Verify the result on a using the determinant and adjoint of the matrix c. Find the solution X using cramer's rule!

Q: Find M13 and C13. M13 - C13 = i 39 39 A = -90 0 8 1 0-5 -1 1 -9-2 50 2

A: Given matrix is A = -906-100-5-181-9-21502

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A: Kindly refer to Step 2 for the solution.

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Q: True or False - Determinants of two similar matrices are the same.  Explain.

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Q: Use determinant to find the equation of the line that passes through the points (4, ― 3) & ( ―1,2)

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