CBSE Class 12 Maths Notes: Matrices – Solving Linear Equations using Matrices

SYSTEM OF SIMULTANEOUS LINEAR EQUATIONS

Consider the following system of n linear equations in n unknowns:

Example -: With the help of matrices, solve the equations; 3x + y + 2z = 3, 2x – 3y – z = –3, x + 2y + z = 4.

Solution:       We can write the given equations as

AX = B                                                …(1)

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