Read More
Date: 21-9-2018
![]()
Date: 22-4-2019
![]()
Date: 2-9-2019
![]() |
Consider a function in one dimension. If
has a relative extremum at
, then either
or
is not differentiable at
. Either the first or second derivative tests may be used to locate relative extrema of the first kind.
A necessary condition for to have a minimum (maximum) at
is
![]() |
and
![]() |
A sufficient condition is and
(
). Let
,
, ...,
, but
. Then
has a local maximum at
if
is odd and
, and
has a local minimum at
if
is odd and
. There is a saddle point at
if
is even.
|
|
تجربة بسيطة مدتها 3 دقائق تحسن النظر كثيرا
|
|
|
|
|
الصين.. تطوير محفز نانوي رخيص الثمن لتنقية المياه من النترات
|
|
|
|
|
بحضور علمائي ورسمي .. العتبة العلوية المقدسة ترفع راية الحزن والحداد إيذاناً بحلول شهر محرم الحرام
|
|
|