くだらねぇ問題はここへ書け ver.3.14(33桁略)4197
>696
c・x^2
f(x) = ──────────── + A・x^2 + B・x^4 + C・x^6 + D・x^8 + E・x^10.
1+√{1-(1+K)・c^2・x^2}
1-√{1-(1+K)・c^2・x^2}
= ──────────── + A・x^2 + B・x^4 + C・x^6 + D・x^8 + E・x^10.
(1+K)c
c・x
f '(x) = ─────────── + 2A・x + 4B・x^3 + 6C・x^5 + 8・Dx^7 + 10E・x^9.
√{1-(1+K)・c^2・x^2}
c
f "(x) = ───────────── + 2A + 12B・x^2 + 30C・x^4 + 56D・x^6 + 90E・x^8.
{1-(1+K)・c^2・x^2}^(3/2)