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sqrt(x)-2cos(x)=0 la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
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\/ x  - 2*cos(x) = 0
$$\sqrt{x} - 2 \cos{\left(x \right)} = 0$$
Gráfica
Respuesta numérica [src]
x1 = -95.8068607956091 + 2.29158237301411*i
x2 = -32.9612842799807 - 1.77735953363865*i
x3 = -76.9551849848457 - 2.18455147462505*i
x4 = -26.6742358464482 + 1.6782514544906*i
x5 = -7.79487149135832 + 1.13921143400493*i
x6 = -1.46976783246031 + 0.586621955496434*i
x7 = -39.2473499790127 + 1.86000893267358*i
x8 = -32.9612842799807 + 1.77735953363865*i
x9 = -89.5230523774246 + 2.25838802205287*i
x10 = -64.3868470310367 + 2.09788585574972*i
x11 = -83.2391658952802 + 2.22283177303583*i
x12 = -45.5327754293469 + 1.93090159530072*i
x13 = -14.0937828210051 + 1.38917402856556*i
x14 = -20.3855504705076 + 1.55442406006935*i
x15 = -58.1024222055283 + 2.04817724138199*i
x16 = -51.8177585414304 + 1.99297234292282*i
x17 = -26.6742358464482 + 1.6782514544906*i
x18 = 1.03667387601396
x18 = 1.03667387601396