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
算到有點亂....ˊˋ
請各位高手跟老師幫我解一下這幾題
方便的話....請幫我寫一下過程或解法
感激不盡
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