Cramer's rule: Difference between revisions

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== Applications to Differentialdifferential Geometrygeometry ==
Cramer's Rule is also extremely useful for solving problems in differential geometry. Consider the two equations <math>F(x, y, u, v) = 0\,</math> and <math>G(x, y, u, v) = 0\,</math>. When u and v are independent variables, we can define <math>x = X(u, v)\,</math> and <math>y = Y(u, v)\,</math>.