(x+h)^3+1-(x3+1) https://www.wolframalpha.com/input?i=%28x%2Bh%29%5E3%2B1-%28×3%2B1%29&lang=ja 展開された形 h^3 + 3 h^2 x + 3 h x^2 (h^3 + 3 h^2 x + 3 h x^2)/h https://www.wolframalpha.com/input?i=%28h%5E3+%2B+3+h%5E2+x+%2B+3+h+x%5E2%29%2Fh&lang=ja 別の形 h^2 + 3 h x + 3 x^2 h=0,h^2 + 3 h x + 3 x^2 https://www.wolframalpha.com/input?i=h%3D0%2Ch%5E2+%2B+3+h+x+%2B+3+x%5E2&lang=ja h^2 + 3 h x + 3 x^2 = 3 x^2 iいい方法ありますか？
(x+h)^3+1-(x3+1)
https://www.wolframalpha.com/input?i=%28x%2Bh%29%5E3%2B1-%28×3%2B1%29&lang=ja
展開された形
h^3 + 3 h^2 x + 3 h x^2
(h^3 + 3 h^2 x + 3 h x^2)/h
https://www.wolframalpha.com/input?i=%28h%5E3+%2B+3+h%5E2+x+%2B+3+h+x%5E2%29%2Fh&lang=ja
別の形
h^2 + 3 h x + 3 x^2
h=0,h^2 + 3 h x + 3 x^2
https://www.wolframalpha.com/input?i=h%3D0%2Ch%5E2+%2B+3+h+x+%2B+3+x%5E2&lang=ja
h^2 + 3 h x + 3 x^2 = 3 x^2
iいい方法ありますか？