Sr Examen

Otras calculadoras

sqtr(x^2-a^2)=sqrt(3x^2-(3a+1)x+a) la ecuación

El profesor se sorprenderá mucho al ver tu solución correcta😉

v

Solución numérica:

Buscar la solución numérica en el intervalo [, ]

Solución

Ha introducido [src]
   _________      ________________________
  /  2    2      /    2                   
\/  x  - a   = \/  3*x  - (3*a + 1)*x + a 
$$\sqrt{- a^{2} + x^{2}} = \sqrt{a + \left(3 x^{2} - x \left(3 a + 1\right)\right)}$$
Gráfica
Suma y producto de raíces [src]
suma
                  1   re(a)   I*im(a)
I*im(a) + re(a) + - + ----- + -------
                  2     2        2   
$$\left(\operatorname{re}{\left(a\right)} + i \operatorname{im}{\left(a\right)}\right) + \left(\frac{\operatorname{re}{\left(a\right)}}{2} + \frac{i \operatorname{im}{\left(a\right)}}{2} + \frac{1}{2}\right)$$
=
1   3*re(a)   3*I*im(a)
- + ------- + ---------
2      2          2    
$$\frac{3 \operatorname{re}{\left(a\right)}}{2} + \frac{3 i \operatorname{im}{\left(a\right)}}{2} + \frac{1}{2}$$
producto
                  /1   re(a)   I*im(a)\
(I*im(a) + re(a))*|- + ----- + -------|
                  \2     2        2   /
$$\left(\operatorname{re}{\left(a\right)} + i \operatorname{im}{\left(a\right)}\right) \left(\frac{\operatorname{re}{\left(a\right)}}{2} + \frac{i \operatorname{im}{\left(a\right)}}{2} + \frac{1}{2}\right)$$
=
(I*im(a) + re(a))*(1 + I*im(a) + re(a))
---------------------------------------
                   2                   
$$\frac{\left(\operatorname{re}{\left(a\right)} + i \operatorname{im}{\left(a\right)}\right) \left(\operatorname{re}{\left(a\right)} + i \operatorname{im}{\left(a\right)} + 1\right)}{2}$$
(i*im(a) + re(a))*(1 + i*im(a) + re(a))/2
Respuesta rápida [src]
x1 = I*im(a) + re(a)
$$x_{1} = \operatorname{re}{\left(a\right)} + i \operatorname{im}{\left(a\right)}$$
     1   re(a)   I*im(a)
x2 = - + ----- + -------
     2     2        2   
$$x_{2} = \frac{\operatorname{re}{\left(a\right)}}{2} + \frac{i \operatorname{im}{\left(a\right)}}{2} + \frac{1}{2}$$
x2 = re(a)/2 + i*im(a)/2 + 1/2