Entries from 2022-11-18 to 1 day
f’(x)=nax na=αβ√γΔ T.theodor 2022.11.18.
f(x)=n√a’xn+b’xn-1…+z’ T.theodor 2022.11.18.
circle α=r/r/1=1 ellipse α=b/a T.theodor 2022.11.18.
f(x)=a’xn+b’xn-1…+z s=ap,bq x=α,β T.theodor 2022.11.18.
L/2a=a2α2β2−(a2α2+b2)(b2+β2)/(a2α2+b2√(1+α2) T.theodor 2022.11.18.
△PF1F2=√4a(√a2−b2+a)((2√a2−b2+2a−a2(√a2−b2+t)2+b2(a2−t2)/a) (2√a2−b2+2a−a2(√a2−b2−t)2+b2(a2−t2)/a) T.theodor 2022.11.17.
