Entries from 2022-07-15 to 1 day

Derivative

f(x) = Δy/Δx = f(x)' lim f(x)' = ∞ (x → ∞) f(x) → y → ∞ lim f(x)' = 0 (x → ∞) f(x) → x → ∞ , f(x) → x → 0 T.theodor 2022.7.15

n-th root function

y =a√xn a < n , Δy/Δx = y =a√xn > x a > n , Δy/Δx = y =a√xn < x T.theodor 2022.7.15 3, 8/5, 16/9 といっ/

condition of quadrilateral

四辺ト一ツ之角。 T.theodor 2022.7.15