作者kiju366 ( )
看板Math
标题[微积] 一题积分
时间Wed May 11 15:08:25 2011
气象学家确定在一个春日的温度T度是那里时间在几小时发现
在上午8点之间的平均温度到下午4点
1
A meteorologist determined that the temperature T(in度C)on a spring day is
given bY
1 1 1
___ ___ ___
T=24 (t-12)(t-24)-6 t(t-24)+9 t(t-12)
where t is the time in hours. Find the average temperature between 8 A.M.to
4 P.M...
2 x
1 e
∫ ____ dx
0 x
1+e
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 122.123.183.95
※ 编辑: kiju366 来自: 122.123.183.95 (05/11 15:10)
1F：→ Yuchin1992 :第二题令 1+e^x=u 05/11 15:14