作者lazyman7964 (小酱)
看板trans_math
标题[考古] 96年高大考古题 急!
时间Sun Jul 5 12:34:29 2009
1. Find the area of the region that lies inside the circle r = 1
and outside the cardioid r = 1 - cosθ.
2. Solve the equation
xdy/dx = x^2 + 3y, x > 0
given the initial condition y(1) = 2.
π/2 2 1/2
3.∫ [3sin(x)cos(x)] / [1+3sin (x)] dx
0
算到有点乱....ˊˋ
请各位高手跟老师帮我解一下这几题
方便的话....请帮我写一下过程或解法
感激不尽
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