Recent questions tagged matrix

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If $\vec{a}=(2,1,-1)$ and $\vec{b}=(-1,2,1)$, then $2 \vec{a}-3 \vec{b}$ is equal to
If $\vec{a}=(2,1,-1)$ and $\vec{b}=(-1,2,1)$, then $2 \vec{a}-3 \vec{b}$ is equal toIf $\vec{a}=(2,1,-1)$ and $\vec{b}=(-1,2,1)$, then $2 \vec{a}-3 \vec{b}$ is equal to &nbsp; A) $(1,-4,-5)$ B) $(7,-4,5)$ C) $(7,-4,-5)$ D) $(7,4, ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Find the inverse of the matrix $$A=\left(\begin{array}{rrr} 2 & 0 & 4 \\ 1 & 2 & 7 \\ 6 & 4 & 22 \end{array}\right)$$ 0 answers 4 views Find the inverse of the matrix $$A=\left(\begin{array}{rrr} 2 & 0 & 4 \\ 1 & 2 & 7 \\ 6 & 4 & 22 \end{array}\right)$$Find the inverse of the matrix $$A=\left(\begin{array}{rrr} 2 &amp; 0 &amp; 4 \\ 1 &amp; 2 &amp; 7 \\ 6 &amp; 4 &amp; 22 \end{array}\right)$$ ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Calculate the determinant $$\left|\begin{array}{rrrr} -2 & 1 & -1 & 1 \\ 3 & 2 & 0 & -4 \\ -1 & 1 & 2 & -1 \\ 1 & -1 & 3 & -2 \end{array}\right|$$ 0 answers 5 views Calculate the determinant $$\left|\begin{array}{rrrr} -2 & 1 & -1 & 1 \\ 3 & 2 & 0 & -4 \\ -1 & 1 & 2 & -1 \\ 1 & -1 & 3 & -2 \end{array}\right|$$Calculate the determinant $$\left|\begin{array}{rrrr} -2 &amp; 1 &amp; -1 &amp; 1 \\ 3 &amp; 2 &amp; 0 &amp; -4 \\ -1 &amp; 1 &amp; 2 &amp; -1 \\ 1 & ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Write the equation of the plane through the points (3,-2,5),(1,4,-1),(2,-6,7) 0 answers 3 views Write the equation of the plane through the points (3,-2,5),(1,4,-1),(2,-6,7) Write the equation of the plane through the points$$ (3,-2,5),(1,4,-1),(2,-6,7)$$... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Odd One Out: Which of the following expressions does not represent the same sequence as the others? 0 answers 3 views Odd One Out: Which of the following expressions does not represent the same sequence as the others? Odd One Out: Which of the following expressions does not represent the same sequence as the others? A)$\left\{\frac{2(2 i-1)}{2^{2}}\right\}_{i= ...
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Solve the equation $8^{2 x-5}=2^{x+1}$
Solve the equation $8^{2 x-5}=2^{x+1}$Solve the equation $8^{2 x-5}=2^{x+1}$ ...
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A large online store offers various brands of milk frothers for making...
A large online store offers various brands of milk frothers for making... Im pretty clueless how to solve this. Can anyone help me? ...
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Which of the following statements about principal component analysis (PCA) based on a p×p correlation matrix are true?
Which of the following statements about principal component analysis (PCA) based on a p×p correlation matrix are true?Which of the following statements about principal component analysis (PCA) based on a p×p correlation matrix are true? a. Due to the implicit scaling ...
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How is information organized in a matrix?
How is information organized in a matrix?How is information organized in a matrix? ...
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How do you use row operations to determine the reduced row echelon form of a matrix?
How do you use row operations to determine the reduced row echelon form of a matrix?How do you use row operations to determine the reduced row echelon form of a matrix? ...
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For each of the augmented matrices below, write the corresponding system of equations.
For each of the augmented matrices below, write the corresponding system of equations.For each of the augmented matrices below, write the corresponding system of equations. a. \left\begin{array}{cc|c}2 &amp; -1 &amp; 5 \\ 3 &amp; 1 ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Write an augmented matrix for each of the system of equations below. 1 answer 39 views Write an augmented matrix for each of the system of equations below.Write an augmented matrix for each of the system of equations below. a. \ \begin{gathered} 2 x+3 y=9 \\ x-y=-1 \end{gathered} \ b. \(\begin{aligned ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 How do you form an augmented matrix from a system of linear equations? 1 answer 38 views How do you form an augmented matrix from a system of linear equations?How do you form an augmented matrix from a system of linear equations? ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Suppose you are given the matrix 1 answer 46 views Suppose you are given the matrixSuppose you are given the matrix \(B=\left\begin{array}{ccc}-1 &amp; 3 &amp; -2 \\ 2 &amp; 1 &amp; -3 \\ 0 &amp; 4 &amp; 5\end{array}\right a. F ...
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What is a matrix?
What is a matrix?What is a matrix? ...
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How do I calculate the cross-product of a 2x2 matrix?
How do I calculate the cross-product of a 2x2 matrix?How do I calculate the cross-product of a 2x2 matrix? ...
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State the difference between a row vector and a column vector.
State the difference between a row vector and a column vector.State the difference between a row vector and a column vector. ...
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What is Electronegativity ?
What is Electronegativity ?What is Electronegativity ? ...
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What is IUPAC naming?
What is IUPAC naming?What is IUPAC naming? ...
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How can I prove that a matrix $S_{ij}$ is positive semi-definite?
How can I prove that a matrix $S_{ij}$ is positive semi-definite?How can I prove that a matrix $S_{ij}$ is positive semi-definite? ...
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Construct the $3 \times 2$ matrix whose elements are given by $a_{i j}=\frac{i}{j}$
Construct the $3 \times 2$ matrix whose elements are given by $a_{i j}=\frac{i}{j}$Construct the $3 \times 2$ matrix whose elements are given by $a_{i j}=\frac{i}{j}$ ...
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If a matrix 18 elements what is the possible order it can have?
If a matrix 18 elements what is the possible order it can have?If a matrix 18 elements what is the possible order it can have? ...
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If a matrix 8 elements what is the possible order it can have ?
If a matrix 8 elements what is the possible order it can have ?If a matrix 8 elements what is the possible order it can have ? ...
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Write the elements of $a_{13}, a_{21}, a_{33}, a_{24}, a_{23}$
Write the elements of $a_{13}, a_{21}, a_{33}, a_{24}, a_{23}$ In a matrix \left\begin{array}{cccc} 2 &amp; 5 &amp; 19 &amp; -17 \\ 35 &amp; -2 &amp; \frac{5}{2} &amp; 12 \\ \sqrt{3} &am ...