Question

what is eular formula? in which branch of math is it used

Answer 1

the geometrical formula V − E + F = 2, where V, E, and F are the numbers of vertices, edges, and faces of any simple convex polyhedron or of an equivalent topological graph.
it is used in geometry to find vertices edge or face

Answer 2

Eular formula named after Leonhard Eular is a mathematical formula in complex analysis that establishes the fundamental relationship between the trigonometric functions and the complex exponential function.
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