{{x= - y,y=root_of(y_**4 + y_ - 1,y_,tag_2)},{x= - y,y=root_of(y_**3 + y_**2 - 1,y_,tag_1)}}
{{x=2.21*i + 1.77,y= - 2.21*i + 1.77,z= -3.54},{x=0.58*i - 1.27,y= - 0.58*i - 1.27,z=2.54},{x= - 0.58*i - 1.27,y=0.58*i - 1.27,z=2.54},{x= - 2.21*i + 1.77,y=2.21*i + 1.77,z=-3.54}}
{y=arbconst(1)/e**(a*x)}
{{q=myfun1(p^2+1,exp(r)), p=cos(r), r=m_y2f(a,b,c)},{q=myfun1(p^2+1,exp(-r)), p=cos(-r), r=m_y2f(a,b,c,d+e,f)}}
