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Date: 24-3-2019
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Date: 17-9-2018
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Date: 26-6-2019
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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
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and
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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.
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لخفض ضغط الدم.. دراسة تحدد "تمارين مهمة"
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طال انتظارها.. ميزة جديدة من "واتساب" تعزز الخصوصية
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عوائل الشهداء: العتبة العباسية المقدسة سبّاقة في استذكار شهداء العراق عبر فعالياتها وأنشطتها المختلفة
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