... 2ooz Ky THI TUyfN M6n thi: Todn cho Vat li (dd'nhcho Cao hP") ld,mbd'i:180 Phrit Thdi g'i,an r\ {,/ I- - t ^' L:-r-6 CAu I dS, trons d6 vecto kh6ng ddi, 7: vects (r Tfnh tich phan m6t i - $ ; (;;) ... Oxtr6gratxki-Gaoxo,hey tfnh t!6ng lugng crLa , i , - z , i+ a 3j * r z y k grli qua mQt md,tkfn ,9 gi6i h?n bdi hinh n6n c6 bdr- kinh ddy.R, chibu caoH: *2 )- o,2 72 Tsp, o1z1H- CAu II - 0,n: tai ... ne.hiArn - u(r,y) cua phucrng ur, - sin g,'r-t,ra or2 fr.uaa - cos r.uo - Q th6a cac dlEu ki6n sau u ( r , c o sr ) - s i nr r u r ( r ) c o sr ) : r * c o sr Ghi chri: Cdn bo coi thi khdng...