I sent this question in for answering but I don't understand the solution given here. Particularly when finding the determinant where it says: det A = 2 x (-1)3+1. Where are these numbers coming from? Thanks in advance.

Q: Determine the determinant (using cofactors) of the matrix below: 1 -8 -6 -3 -1 -9 -3 0 -1

A:

Q: II) -10 S S 35 -20 25 O IS 30 7 4 361 properttes of De terminants:

A: Using properties of determinants to solve -10     5   5   35-20 25     0   15 30

Q: -9 8 4 A = -2 7 6 -6, det A = Ex: 5 :

A: Explained below

Q: 3. 3x + 4y + z = 10 2x - 3y + 5z + 9 = 0 x +2y-z = 6

A: The given system of equations,We have to find the solve this system using the determinants.

Q: 5. 스2 x-4 1 + + 쓰 3 5 X 2y 3 x+y-z= z-2 || Z || 1 18 19 40 59 20

A: Augmented matrix of the given system can be written as Lets find its row reduced echelon form to…

Q: Solve for x. |x+9 25x-1|=0 STEP 1: Solve for the determinant in terms of x. +9 |*+2²5x-11-L 331-0…

A: Given the determinant, solve for x, x+9-125x-1=0 Step 1: Solve for the determinant in terms of x.…

Q: II.2 Find the determinant of the following: II.2.A [1.01011 4.194211 7.77777 A) A = 2.11111 5.214785…

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Q: |-1 Solve for the determinant of A = |-2 0 -3| 2 -41 2 |-1 -1 1

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Q: Q / Using the method you deem fit, solve the following equations and calculate the value of the…

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Q: 1 -1 2 13. For what value of 1 determinant is equal to zero 3 - 1? 1 4 2

A: To determine the unknown value, we have to equate the determinant equal to zero. Because it is given…

Q: Use Cramer's rule to solve the system. 2x y z = -2 2x - 5y3z = 4 5x - 2y = 1 Write the fractions…

A: Given that the system of equations are     2x - y - z = -2     2x - 5y - 3z = 4     5x - 2y     = 1

Q: 1 2 2 1 Use elimination to compute the determinant of 1 2 1 -2 -1

A:

Q: 4. 1.2p2.3q - 3.1r + 10.1 = 0 4.7 +3.8q - 5.3r - 21.5 = 0 3.7p - 8.3q + 7.4r + 28.1 = 0

A: The system of equations is:To solve using determinants.

Q: 1. Compute the determinant: 1 1 2 1 2-² 2 2 2 3 3 3 3 5 1 9-x²

A: Here we find the determinant using some properties.  The properties are- 1) if we subtract a…

Q: II. Find the solution of the following system of equations. Enclose all determinant values in a box.…

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Q: Solve the below pair of simultaneous equations using determinants: 3x + y -15 = 0 2x - y - 5 = 0

A: Rewrite the equation as  3x+y=152x-y=5 write the equation in matrix form  D=312-1 find the…

Q: What is minor M33 when the determinant is evaluated using the 3rd column in 12 1 0 3 1 2 14 3 1 23…

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Q: Solve the system of equations algebraically. x² •y? = y = 4x

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Q: Answer 16 and 17. Thank you!

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Q: II. Find the solution of the following system of equations. Enclose all determinant values in a box.…

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Q: Consider the following pair of simultaneous equations: 6x + 4y − 14 = 0 5x − 3y − 37 = 0 (b)…

A: A system of m×n numbers arranged in the form of a rectangular array having m rows and n columns is…

Q: We wish to solve the system of linear equations 3x + 4y = -8 (-2x + 4y = 1 by using Cramer's Rule.…

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Q: If AX=0 has a nonzero solution, the determinant of A is not zero. (A) True B) False

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Q: If determinant of A = 0.25 , then determinant of A= 5 Select one: O True O False

A: Given

Q: by d=0, you mean the determinant, right?

A: To find - (AX)(AY)=(X)(Y) is valid for which value of R0. Here we will assume the matrix A , X and…