While solving a problem i have ended up with these 4 equations:
a^2+b^2= p;
(c-q)^2+d^2=r;
(d-b)/(c-a)=s;
(c-a)^2-(d-b)^2=t
Here a,b,c,d are unknowns . The rest (p,q,r,s,t) are known values. I am looking only for the real solutions.
How can i solve the system?