计算(int )_(-sqrt {2)}^sqrt (2)sqrt (8-2{y)^2}dy-|||-__计算
[例5] 积分 (int )_(0)^2dx(int )_(0)^sqrt (2x-{x^2)}sqrt ({x)^2+(y)^2}dy= __
已知x=(sqrt(3)-sqrt(2))/(sqrt(3)+sqrt(2)),y=(sqrt(3)+sqrt(2))/(sqrt(3)-sqrt(2)),求3
(int )_(0)^sqrt (2)sqrt (2-{x)^2}dx
五.计算积分int_(-1)^1dyint_(1+sqrt(1-y^2))^sqrt(2-y^(2))(sqrt(x^2)+y^(2)+sin^3y)dx五.(
[题目] (int )_(0)^sqrt (2)sqrt (2-{x)^2}dx= __
[题目] (int )_(0)^sqrt (2)sqrt (2-{x)^2}dx
计算: (int )_(0)^sqrt (2)sqrt (2-{x)^2}dx= .计算: .
(3)曲线 ) 与圆柱面 ^2+{y)^2=4 的交点为 () .-|||-(A) (sqrt (2),sqrt (2),pm 2) (B) (sqrt (
sqrt (2)pi :2 C. sqrt (2)pi :4 D. sqrt (2)pi :8