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Exponents & Logarithms Approximations & Error Sequences & Series Matrices Complex Numbers Financial Mathematics

Cartesian plane & lines Function Theory Modelling Transformations & asymptotes

2D & 3D Geometry Voronoi Diagrams Trig equations & identities Vectors Graph Theory

Probability Descriptive Statistics Bivariate Statistics Distributions & Random Variables Inference & Hypotheses

Differentiation Integration Differential Equations

Review Videos Formula Booklet My Progress

Blog Landing Page

Dashboard

Topics

Exponents & Logarithms Approximations & Error Sequences & Series Matrices Complex Numbers Financial Mathematics

Cartesian plane & lines Function Theory Modelling Transformations & asymptotes

2D & 3D Geometry Voronoi Diagrams Trig equations & identities Vectors Graph Theory

Probability Descriptive Statistics Bivariate Statistics Distributions & Random Variables Inference & Hypotheses

Differentiation Integration Differential Equations

Review Videos Formula Booklet My Progress

Blog Landing Page

Problem Bank

Problem Bank

Problem Bank

Problem Bank

[Maximum mark: 4]

Solve the system of equations

⎩⎪⎪⎪⎨⎪⎪⎪⎧2x+y−z=3,−x+3y+2z=7,x−2y+4z=1.

Write the system in the form Ax=b and find A−1.
[2]
Hence solve for (x,y,z).
[2]

Ask Plex AI about this problem

Get hints, ask questions, and work through this problem step by step

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[Maximum mark: 4]

Solve the system of equations

⎩⎪⎪⎪⎨⎪⎪⎪⎧2x+y−z=3,−x+3y+2z=7,x−2y+4z=1.

Write the system in the form Ax=b and find A−1.
[2]
Hence solve for (x,y,z).
[2]

Ask Plex AI about this problem

Get hints, ask questions, and work through this problem step by step

I'm Plex, here to help with problems on this worksheet!

[Maximum mark: 4]

Solve the system of equations

⎩⎪⎪⎪⎨⎪⎪⎪⎧2x+y−z=3,−x+3y+2z=7,x−2y+4z=1.

Write the system in the form Ax=b and find A−1.
[2]
Hence solve for (x,y,z).
[2]

[Maximum mark: 4]

Solve the system of equations

⎩⎪⎪⎪⎨⎪⎪⎪⎧2x+y−z=3,−x+3y+2z=7,x−2y+4z=1.

Write the system in the form Ax=b and find A−1.
[2]
Hence solve for (x,y,z).
[2]