". (^) ", (2)". Use the inverse matrices to find (AB and ( 2A -2 1 2 4 2 2 3 1 A-1 1 1 1 %3D B-1 %3D 2 4 1 3 2 - 4 (a) (AB) -1 (АВ (b) (A") (6) (24)* (c)

Q: 6. Find the inverse of the matrix if it exists by using elementary row operation, 2 4 1 -1 1 -1

A:

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A: Properties of determinant:kA=knAAB=ABA-1=1A

Q: 5 -1 5 1 6. -1 6 2

A:

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Q: 2 -3 For matrix A = -2A? will be %3D -1 4

A: See the attachment.

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A:

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Q: Find matrix X:   3.     6     5     4     -2   *X=     18     49     -20     6

A: The detailed solution is given below Thank you

Q: product of a matrix and its inverse is

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Q: 5. If xy + 2xu + 3xv + uv-| = 0, 2xy + 3yu – 2xv + 2uv + 2 = 0, ſind the Jacobian matrix [ ].

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Q: 3) For the matrix [2 1 -1 0 이 2 3 1 -1 4 3

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Q: Reduce the quadratic form 3x2+5y2+3z2-2yz+2zx-2xy into a canonical form of the matrix.

A: Given quadratic form 3x2+5y2+3z2-2yz+2zx-2xy.

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Q: Express as a single matrix.

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