Given the determinants of the following matrices: 1 3 -3 2 1 3 3 -3 -12 10 -8 -3 -9 -12 2 5 -6 5 26 2 15 -8 2 2 7 15 2 Find the (unique) solution to the following system: det x+3x2-3x3+2x4 = 3 -3x7-9x2+10x3-8x4 = -12 2x+6x2-6x3+5x4 = 5 2x1+7x2-8x3+2x4 = 15 X= =-3, det 0 5 2010 d 2 -8 5 =-5, det 1 3-3 2 -3 -9 10-8 26-65 2 7-8 2 =1, det 1 3 -3 3 -3 -9 10-12 26-65 2 7 -8 15 =-1, det 3 -3 2 -12 -9 10-8 3755 6-65 15 7-8 2 =-1

Q: c.) (CD) (CD) -1 = d.) cofactor of B =

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A: As per our guidelines we are supposed to answer only one  question. Kindly repost other question to…

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Q: Cramer's rule t

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A: The Solution is given below

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A: We find the determinant.

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Q: 3. Solve the following system of equations by use of Determinants. (Put in proper form first!) 5y +…

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A: Solution

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Q: SOLVE STEP BY STEP IN DIGITAL FORMAT Find the determinant of the coefficient matrix of the following…

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A: Topic:- matrix

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Q: -2 3 rix [12²2 3] m - 1 is -7,

A: If the determinant of the  matrix  is , then to  find the valueof m.