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Evaluate the surface integral ∫∫S (x-2x^3+3x^5)dσ where S is the part of the suface z=x^2 lying over {(x,y): -1 ≦ x ≦ 1, 0 ≦ y ≦ 2} 3Q~~ -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.134.245.25