4- Answer the questions considering the linear equations below. x + y +z = 5 x + 2y + 3z = 7 x + 3y + 6z = 11 c) Write the elimination matrices E21, E31, E32 and their inverses. d) Write down E and E-1 by using E21, E31, E32. e) Obtain A by satisfying the factorization A = LU. | a) Write these equations in matrix form as Ai = b } b) Put these equations in upper triangular form by following | the elimination steps. (Write 12,131, 132 explicitly in these steps)

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A: Thanks for the question :)And your upvote will be really appreciable ;)

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.