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dodonaomikiki

请看图片

dodonaomikiki

Johann Bernoulli (also known as  John; 6 August 1667 – 1 January 1748)

was a Swiss mathematician and
was one of the many prominent mathematicians in the Bernoulli family.
He is known for his contributions to infinitesimal calculus and educating Leonhard Euler in the pupil's youth

dodonaomikiki

Johann Bernoulli (also known as  John; 6 August 1667 – 1 January 1748)

was a Swiss mathematician and
was one of the many prominent mathematicians in the Bernoulli family.
He is known for his contributions to infinitesimal calculus and educating Leonhard Euler in the pupil's youth

波斯猫猫

没有必要

dodonaomikiki

波斯猫猫 发表于 2019-3-3 20:07
没有必要

FEICHANGYOUBIYAO
非常有必要！
我一定要弄懂的

wangyangke

+与-配一个固定的除0以外的实数，有一个的对数无意义吧；0的对数也没有意义吧；

wangyangke

+与-配一个固定的除0以外的实数，有一个的对数无意义吧；0的对数也没有意义吧；

dodonaomikiki

wangyangke 发表于 2019-3-3 20:52
+与-配一个固定的除0以外的实数，有一个的对数无意义吧；0的对数也没有意义吧；

我在想：这一步，波努力有木有搞错？

dodonaomikiki

ln(-1)+ln(-1)=o
实际上，这一步，伯努力是搞错了卡


他可能在1702年，那一天，没有认识到ln(-1)の复述意义，
从而进行【粗鲁的计算】，
结果生成错误



以上是我的观点

Future_maths

ln(-x)与ln(x)的定义域不同啊。