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Recent questions tagged determinant
2
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2
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1
Memory Based GATE DA 2024 | Question: 4
Consider the matrix \[ \mathrm{M} = \begin{bmatrix} 1 & 2 & 3 \\ 3 & 1 & 3 \\ 4 & 3 & 6 \end{bmatrix} \] Find the value of \(|\mathrm{M}^2 + 12M|\).
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2
GO Classes Weekly Quiz 6 | Linear Algebra | Question: 7
Let $\mathrm{A}$ be a $3 \times 3$ matrix. Let $\mathbf{x}, \mathbf{y}, \mathbf{z}$ are linearly independent $3$ ... $\mathrm{A}$.
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3
GO Classes Weekly Quiz 6 | Linear Algebra | Question: 12
If $P=\left[\begin{array}{lll}1 & \alpha & 3 \\ 1 & 3 & 3 \\ 2 & 4 & 4\end{array}\right]$ is the adjoint of a $3 \times 3$ matrix $\mathrm{A},$ and $\operatorname{det(A)}=4,$ then $\alpha$ equals to?
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13
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4
GO Classes Weekly Quiz 6 | Linear Algebra | Question: 13
Given the following matrix: $ A=\left[\begin{array}{lll} 1 & 2 & 2 \\ 2 & 1 & 2 \\ 2 & 2 & 1 \end{array}\right] $ Consider the following statements: $A^2-4 A-5 I=0$ (where $I$ is identity matrix ... the following options is correct? Only $I$ is true. Only II is true. Both I and II are true. Neither I, nor II are true.
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5
GO Classes Weekly Quiz 6 | Linear Algebra | Question: 15
Suppose $\mathbf{A}=\mathbf{B C}$, where $\mathbf{B}$ is a $4 \times 2$ matrix and $\mathbf{C}$ is a $2 \times 4$ matrix. Is $\mathbf{A}$ invertible? Yes, $\mathbf{A}$ is invertible. No, $\mathbf{A}$ is not invertible. Depends on $\mathbf{C}$ only. Depends on $\mathbf{B}$ and $\mathbf{C}$.
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4
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6
GATE CSE 2023 | Question: 8
Let \[ A=\left[\begin{array}{llll} 1 & 2 & 3 & 4 \\ 4 & 1 & 2 & 3 \\ 3 & 4 & 1 & 2 \\ 2 & 3 & 4 & 1 \end{array}\right] \] and \[ B=\left[\begin{array}{llll} 3 & 4 & ... $\operatorname{det}(B)=-\operatorname{det}(A)$ $\operatorname{det}(A)=0$ $\operatorname{det}(A B)=\operatorname{det}(A)+\operatorname{det}(B)$
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Feb 15, 2023
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admin
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7
GATE CSE 2023 | Memory Based Question: 13
Let $ A=\left[\begin{array}{llll} 1 & 2 & 3 & 4 \\ 4 & 1 & 2 & 3 \\ 3 & 4 & 1 & 2 \\ 2 & 3 & 4 & 1 \end{array}\right] $ ... $\operatorname{det} \mathrm{B}=-\operatorname{det} \mathrm{A}$ $\operatorname{det} \mathrm{A}=\operatorname{det} \mathrm{B}$
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Feb 6, 2023
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8
Self doubt.
If A, B & C are matrices & AB=AC then B=C? as we know it is not always true because when A is singular matrix then B=C not possible so what is the right ans to say B=C is (always not equal) or (may or may not be equal) or (simply not equal)?
Nisha Bharti
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Linear Algebra
Sep 19, 2022
by
Nisha Bharti
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matrix
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1
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1
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9
TIFR CSE 2022 | Part A | Question: 4
Consider the polynomial $p(x)=x^3-x^2+x-1$. How many symmetric matrices with integer entries are there whose characteristic polynomial is $p$? (Recall that the characteristic polynomial of a square matrix $A$ in the variable $x$ is defined to be the determinant of the matrix $(A-x I)$ where $I$ is the identity matrix.) $0$ $1$ $2$ $4$ Infinitely many
Lakshman Bhaiya
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Linear Algebra
Sep 1, 2022
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Lakshman Bhaiya
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tifr2022
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matrix
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0
votes
0
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10
Best Open Video Playlist for Determinants Topic | Linear Algebra
Please list out the best free available video playlist for Determinants Topic from Linear Algebra as an answer here (only one playlist per answer). We'll then select the best playlist and add to GO classroom video lists. You ... standard ones are more likely to be selected as best. For the full list of selected videos please see here
makhdoom ghaya
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Aug 15, 2022
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makhdoom ghaya
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2
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1
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11
GO Classes Test Series 2023 | Linear Algebra | Test | Question: 9
Compute the determinant of $ A=\left[\begin{array}{cccc} 1 & -1 & 0 & 3\\ 2 & 5 & 2 & 6\\ 0 & 1 & 0 & 0\\ 1 & 4 & 2 & 1 \end{array}\right]. $
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Aug 14, 2022
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12
Applied Grand Test 2
What is the value of the given determinant ?
LRU
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Linear Algebra
Nov 22, 2021
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LRU
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13
Applied Test Series
What is the value of the determinant ?
LRU
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Nov 13, 2021
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