For the functions w =xy + yz + xz, x = 3u + v, y= 3u - v, and z = uv, express , and , using the chain rule and by expressing w directly in terms of u and v before dw dw and differentiating. Then evaluate at the point (u,v) = du dv dw dw and du Express as functions of u and v. dv dw du

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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.