Entries from 2022-07-25 to 1 day

function

n-function f(x) = α>β>γ>δ…>ω a>0 x>α 0 < f(x) α<x<β f(x) < 0 β<x<γ 0 < f(x) γ<x<δ f(x) < 0 : : : x<ω f(x)<0 f(x)>0 a<0 x>α 0 > f(x) α<x<β f(x) > 0 β<x<γ 0 >f(x) γ<x<δ f(x) > 0 : : : x<ω f(x) > 0 f(x) < 0 T.theodor 2022.7.25</x<δ></x<γ></x<β></x<β>

cubic function

cubic function a>0 solution α<β<γ x<α f(x)<0 α<x<β 0<f(x) β<x<γ f(x)<0 γ<x 0<f(x) a<0 solution α<β<γ x<α f(x)>0 α<x<β 0>f(x) β<x<γ f(x)>0 γ<x 0>f(x) T.theodor 2022.7.25</x></x<γ></x<β></x<β>

function

(x+a)4/abaa4 + y4/abab4 + 2y2/abab2 = 1 T.theodor 2022.7.25

function

(x+a)4/abaa4 + y4/abab4 + 2y2/abab2 = 1 T.theodor 2022.7.25

function

( x+a )4 - y4 + 2y2r2 = r4 T.theodor 2022.7.25

function

y = √ f(x)/ggg(x) T.theodor 2022.7.22

function

-x4+y2+2x2-1 = 0 T.theodor 2022.7.25

logical fallacy of lemniscate

lemniscate equation ハ、locus 之如くナラズ。 T.theodor 2022.7.25

logical fallacy of Cassinian oval

Cassinian oval equation ハ、 locus 之如くナラズ。 T.theodor 2022.7.25