Ngày tải lên :
24/07/2016, 18:24
... Norm(M-N ,2) =1] ,[a,b,c,s,t]); 12 2 12 2 12 2 12 2 34 a , b , c , s , t , 61 122 12 2 81 81 12 2 12 2 12 2 12 2 34 a , b , c , s , t , 61 122 12 2 81 81 2 4 ... 3 2 ĐS 4x + 6y + 5z – 1 03 = 0, 4x + 6y + 5z + 20 5 = [> line(L1, [point(M1,-5 ,1, - 13 ) , [2, -3, 2] ]), line(L2,[point(M2,-7, -1, 8), [3, -2, 0]]); L1, L2 [> sphere(S,x ^2+ y ^2+ z ^2 -10 *x +2* y +26 *z -1 13 , [x,y,z]); ... , 13 4 13 4 [> point(C ,3, -4, -2) ,line(D1,[point(M,5,6, -3) ,[ 13 , 1, -4]]),line(D2,[point(N ,2 ,3, -3) ,[ 13 , 1, 4]]),plane(P,[D1,D2],[x,y,z]); C, D1, D2, P [> Equation(P); 12 0 12 x 12 y 36 z0...