數學與統計 大學 約3年以前 問這兩題怎麼算 7. Calculate Answer: 9² +4y2dA where R is the interior of the ellipse 8. Find the area of the region enclosed by the limaçon Answer 2 ()*+ ()* < 3 I= 2 cost-cos 2t, y = 2 sint - sin 2t, 0≤t≤ 2π 待回答 回答數: 0
