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A) For the given matrix:

Mathematics

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2 parts
a

2×32 \times 3

[5−307−43]\begin{bmatrix} 5 & -3 \\ 0 & 7 \\ -4 & 3 \end{bmatrix}

b

x2−2x+1x^2 - 2x + 1

Step-by-step solution

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Here's the solution:

Part a· 3 steps

For the given matrix

  1. Identify the matrix.

    The matrix shown is:

    A=[50−4−373]A = \begin{bmatrix} 5 & 0 & -4 \\ -3 & 7 & 3 \end{bmatrix}
  2. Determine the order of the matrix.

    The matrix has 2 rows and 3 columns.
    The order of the matrix is 2×3\boxed{2 \times 3}.

  3. Find the transpose of the matrix.

    The transpose of a matrix AA, denoted ATA^T, is obtained by interchanging its rows and columns.

    AT=[5−307−43]A^T = \begin{bmatrix} 5 & -3 \\ 0 & 7 \\ -4 & 3 \end{bmatrix}

    The transpose of the matrix is [5−307−43]\boxed{\begin{bmatrix} 5 & -3 \\ 0 & 7 \\ -4 & 3 \end{bmatrix}}.

Part b

x2−2x+1x^2 - 2x + 1

For the algebraic expression

  1. Identify the expression.

    The expression is (x−1)2(x-1)^2.

  2. Expand the expression.

    Using the algebraic identity (a−b)2=a2−2ab+b2(a-b)^2 = a^2 - 2ab + b^2, where a=xa=x and b=1b=1:

    (x−1)2=x2−2(x)(1)+12(x-1)^2 = x^2 - 2(x)(1) + 1^2 =x2−2x+1= x^2 - 2x + 1

    The expanded form of (x−1)2(x-1)^2 is x2−2x+1\boxed{x^2 - 2x + 1}.

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