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solution in detail Use Cramer's rule to find the value of x in the following linear system given that det A=20, A is the matrix

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Use Cramer's rule to find the value of x in the following linear system given that det A=20, A is the matrix of coefficients 2xy+3zx2z5x+y3z=9=0=2 1) Compute the determinant of: a) 1111041100110002 c) 2000050000100002 b) 1121214130610001 d) 11110411001101233 2) If A,B, and C are 33 matrices such that det(A)=det(B)=2 and det(C)=5, Compute: a) det(4A) b) det(2A2BTC1)

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