1,954 Answered Questions for the topic linear algebra

Linear Algebra Vectors

08/15/20

Finding equations of two planes given the equation of the intersection line between them.
I have been given the the equation of an intersection line between two planes as g:x = (3x+1y+0z) + k(0x-2y-6z).I'm supposed to find the equation of the planes from this but i have no clue on how... more
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Linear Algebra

08/14/20

How can i easily find two 3-dimensional vectors that are 45 degrees apart?
I'm supposed to give two 3-diemensional vectors that are parallel to the x,y plane and have a 45 degrees angle between them and go through the point P(1|1|0). By using the arccos(x) method,my x is... more
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08/12/20

How do I find the the 3 eigenvalues of the following matrix ?
The 3 eigenvalues of the following matrix are the same.  Find the eigenvalues and determine the values for  and . Find the eigenvectors of the eigenvalues. Please show all steps.
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08/12/20

Solve the following 1st order linear homogeneous ODEs
Solve the following 1st order linear homogeneous ODEs:    The  eigenvalues of the coefficient matrix are:     
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08/12/20

Find all  critical point(s) of the following system
Find all  critical point(s) of the following system: Here    are constants.   Find the general expression of its Jacobian matrix and simplify its each entry as much as possible. Determine a pair of... more
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08/12/20

Please help me with this question
  is a square matrix. Select all statement(s) from below choices that are NOT correct.a.) If  then has only one solution for any b.) If  is an eigenvalue of  then we can always find two different... more
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Linear Algebra

08/11/20

Given the following function, find f(x+2). f(x)=2x^2−6x
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08/10/20

Someone please help with this question!
Use the method of Power Series to solve the following nonlinear ODE:Please only use Power series method.
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Linear Algebra Algebra 1 Algebra 2 Prealgebra

08/10/20

Trigonometry - Evaluating cube root
Hi peeps, how ya'll doing?I'm having a hard time to understand the following questions, would someone please explain them to me?Thank you so much in advance! Evaluate the cube root of z =... more
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08/09/20

Linear Algebra w/ Objective Function & Constraints
Quality Security runs a state prison. Part of their contract requires them to provide each inmate with at least the minimum nutritional requirements. After the inmate’s daily meals, it has been... more
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Linear Algebra

08/09/20

calculate |axb|, when |a|=3 and |b|=5 and the angle between a and b is Θ= 45
please give me answer quickly.
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08/08/20

Linear Algebra/Objective Function & Constraints
Consider the problem: “LUX Investments has three different possibilities. The first investment will pay 3% after the first year, the second 3.5%, and the third 6%. LUX has decided to invest... more
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08/08/20

Linear Algebra/Objective Function & Constraints
Consider the problem:“Wonder Widgets Co. manufactures three types of widgets: Standard Widget (SW), Gigantic Widget (GW), and Mini-Widget (MW) . Each widget must pass through four work centers. The... more
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Linear Algebra Math

08/08/20

Dimension of space vectors
What is the dimension of the space of vectors in R^5 having the form of: (a-3b, b-a, a+2b, a, b)? Please show a step by step solution.
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08/07/20

Please help with this question!
Use the method of Power Series to solve the following nonlinear ODE:Please only use Power series method.
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Expert Answers •2

08/07/20

Please clerify this question!
Given the following 1st order linear homogeneous system: its coefficient matrix    has two repeated real eigenvalues      but only one independent eigenvector    I got an answer below but I am not... more
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08/06/20

Someone please help with this question!
x'=-x+2yy'=-2x+3yWhat is the genral solution with C1 and C2?λ1=λ2=1Eigenvector= [2][2]
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08/04/20

Someone please help non-linear system!
Given the following non-linear system: find its critical points and classify the solution behavior of the non-linear system near each critical point using the linearization method.In other words,... more
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08/03/20

Please help with ODE question.
Use the Eigenvalue Method to solve the following system of ODEs:  My answer was λ3 +3λ2-4=0Eigenvalues: 1, eigenvector: 1, -1, 1Eigenvalues: 2,eigenvector: -1, 1, 0
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08/03/20

Please help with ODE!!
Use the Eigenvalue Method to solve the following system of ODEs:  My answer was λ3 +3λ2-4=0Eigenvalues: 1, eigenvector: 1, -1, 1Eigenvalues: 2,eigenvector: -1, 1, 0
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08/03/20

Someone please help me with this question!!
Use the Eigenvalue Method to solve the following system of ODEs:   
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08/03/20

Someone please help with this question!!
Use the Eigenvalue Method to solve the following system of ODEs:   
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08/03/20

Please help with this question!!!
Given the following non-linear system:   A.) its critical points are   B.) its critical points are  C.) its critical points are  D.) the system has no critical point.
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08/02/20

Solve the ODE. Please help with this question!!!
Use the Eigenvalue Method to solve the following system of ODEs:     
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Linear Algebra Finite Math

08/02/20

Systems of Inequalities
Let Z = 5x + 11y. For the shaded region below where A = (2, 1), B = (10, 1), C = (8, 5), and D = (2, 9). max Z = min Z =
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