Entries from 2023-01-17 to 1 day
(α,f(α)) (α+h,f(α+h)) limf(α+h)−f(α)/h=0 T.theodor 2023.1.17.
oα':α'α=r2b2t2/b2t2+r2(r2−t2):t T.theodor 2023.1.17.
αα':β'β=t:r(r−t)±√r2b2(r2(r−t)2−(r2−t2)(r2+b2))/(r−t)(r+b) T.theodor 2023.1.17.
(α,f(α)) (α+h,f(α+h)) limf(α+h)−f(α)/h=0 T.theodor 2023.1.17.
oα':α'α=r2b2t2/b2t2+r2(r2−t2):t T.theodor 2023.1.17.
αα':β'β=t:r(r−t)±√r2b2(r2(r−t)2−(r2−t2)(r2+b2))/(r−t)(r+b) T.theodor 2023.1.17.