2. Consider the linear system Ar = b, whose augmented matrix has been brought to the /5 row-echelon form, 1 -2 4 1 1 -2 -3 (a) Write the general solution in parametric form. (b) Write the general solution in vector form.

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A: This question is from Algebra

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Linear Algebra

In mathematics, problems can be solved by the arithmetic operators like addition, subtraction, multiplication, and division. In algebra, we represent the numbers by any letter called a variable. If these variables are of degree 1, then it is studied under linear algebra. The first-degree equations involving algebraic expressions are called linear equations. That is, if you represent it by drawing a graph you will get a straight line.