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CIIM 2022 Problem 1

  • Day 1

Dada la función f(x)=x2f(x) = x^2, se define el sector de ff desde aa hasta bb como la región acotada entre la gráfica de y=f(x)y = f(x) y el segmento de recta que une los puntos (a,f(a))(a, f(a)) y (b,f(b))(b, f(b)). Se define la sucesión creciente x0,x1,…x_0, x_1, \ldots, con x0=0x_0 = 0 y x1=1x_1 = 1, que cumple que el área del sector de ff desde xnx_n hasta xn+1x_{n+1} es constante para n≥0n \geq 0. Determinar el valor de xnx_n en función de nn.

Official text Iberoamerican Interuniversity Mathematics Competition 2022 official paper, page 1. Quoted with source.

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