作者STARS74721 (....)
看板trans_math
標題微分還有一題看不太懂的題目..
時間Sat Jun 25 12:50:10 2005
1.
oo
S x2^-x dx
0
2. suppose that volume of air inhaled by person during respiration is given
by v(t)=6/5拍(1-sin拍t/2) for t大於等於0 liters at time t (in seconds)
when is the volume of inhaled air at a maximum? what is maximum volume?
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 218.167.11.46