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1. 2 √4-y^2 √4-x^2-y^2 ∫ ∫ ∫ z√x^2+y^2+z^2 dzdxdy 0 0 0 π/2 π/2 2 = ∫ ∫ ∫ 為何積分範圍改這樣呢??? 0 0 0 2. Find dy/dx if x^y-y^x=0 3. 2 x^3 ∫---------- dx 0 (2+x^2)^3 4. Analyze and sketch the graph of the function f(x)=x^3(x+5)^2 5. Find equations for the lines tangent to the ellipse 4x^2+y^2=72 that are perpendicular to the line x+2y+3=0 6. 1 --- x Find the value of a if lim(√1+ax-√1-ax) =e x→∞ 7. a>0 Find the length of the path trace out by x(θ)=3acosθ+acos3θ y(θ)=3asinθ-asin3θ as θ reanges from 0 to 2π. 8. x^2+y^2=1 x^2+y^2=5 ∫∫(x^2+2y)dA R ∞ n -x 9.∫ x e dx=n! Prove that 0 滿多題的~~麻煩各位了 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 122.118.4.89 ※ 編輯: dreamenjoy 來自: 122.118.11.17 (06/16 22:23)