作者darkstar0412 (兰花花瓣有猫耳的触感@@")
看板Grad-ProbAsk
标题[考古] 数题考古
时间Wed Apr 1 15:59:06 2009
2 2 2
1.find the volume of the region common to the intersecting cylinders x + y = a
2 2 2
and x + z = a .
2.a window has the shape of a square surmounted by a semicircle. the base of
the window is measured as having width 60cm with a possible error in
measurement 0f 0.1 cm. use differentials to estimate the maximum error
possible in computing the area of the window.
-1 2
tanx -t
3.曲线y=f(x)与 ∫ e dt 在(0,0)处相切,求
0
a.切线方程
2
b.lim nf(---)
n→∞ n
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