Find det A using the method of cofactors and the sign matrix. 2 2 6 A = 0-8 6 - 2 0 1 det A = (Simplify your answer.)

Q: Use the determinant of A to determine whether A has an inverse. 3 4 11 2 5 10

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Q: To plot points in polar coordinates, we use a grid consisting of ________ centered at the pole and…

A: A rectangular grid is useful to plot points in rectangular coordinates. A grid consisting of circles…

Q: 1 2 3 det 4 7 2 7 0 7 ..

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Q: Find the quotient of B/A. Use pivotal method in solving for ALL (3x3, 2x2, ...) determinants. 3 1 3…

A: given, A=3137077468328491, B=45675678678978910 B/A=BA-1A-1=1Aadj(A)let adj(A)= C for get the…

Q: ton (5-e

A: Known fact: tanπ2-θ=cot θ.

Q: -4 2. -2 3.

A: (2)11-41-21111=1-2111-11-411+11-4-21                      =1-2×1-1×1-11×1--4×1+11×1--4×-2…

Q: Compute the determinant by cofactor expansion. At each step, choose a row or column that involves…

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Q: Use expansion by cofactors to find the determinant of the matri: 4 20 0 6 0 1 2 4 5 0 0 35 4 0 0 6 3…

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Q: Use row operations to find the determinant of A = show all your steps.) 4 2 3 1 2 1 1 1 0032 10 1 0,…

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Q: Find the adjoint of the matrix A. Then use the adjoint to find the inverse of A (if possible). (If…

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Q: Evaluate the determinant. 5 9 3 1 5 9 3 1

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Q: Use expansion by cofactors to find the determinant of the matrix. 32003 0 1 5 3 2 00465 0024 5 0000…

A: Let, We can find the determinant by the method of adjoint.

Q: Find the determinant of the matrix, |5g where 7. A) 35 B) 14 21 7

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Q: Find the given determinant by any method. 0000 -7 0001 0 0 0 1 0 0 0 20 0

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