question 4 12 points format remember moebius does not check your metho
Question 4: (12 points)
• Remember: Möbius does not check your method, and matrix
computations are fiddly. Make sure to check your answers carefully
. If your answer is a vector, enter it as a column vector using the
vector/matrix palette tool.
Find d such that det A-0, where
Now, and for the remainder of this question, instead set d = 12, so
4 3 13 Y
Calculate the matrix of cofactors for the matrix A.
matrix of cofactors
Use the information above to find the inverse matrix A-¹,
employing the method of cofactors. (This part still uses that d - 12
Use your answer from the previous part to solve the matrix equation
4 3 131
need full solution with final answer on the box
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