3 A B C Biar Satah S X 2y Z 2 Dan Satah S 2x Y Z 7 Bersilang Pada Satu Garis L 1 11 Cari Persamaan Berpar 1 (41.07 KiB) Viewed 8 times
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3. (a) (b) (c) Biar satah S, +2y+z=2 dan satah S₂:2x+y-z=7 bersilang pada satu garis L. (1) (11) Cari persamaan berparameter bagi garis L. Cari persamaan bagi satah yang melalui titik P(1, 0, 3) dan berserenjang kepada garis L. Tunjukkan bahawa garis x-3-2-¹ tidak bersilang dengan satah S,, dan cari jarak antara garis ini dan satah S₁. Suppose the planes S₁ +2y+z=2 and S₂:2x+y=z=7 intersect in a line L. (1) (i) Find parametric equations for the line L. Find an equation of the plane through the point P(1, 0, 3) and perpendicular to the line L Show that the line x-3-2-1 does not intersect the plane S₁, and find the distance between the line and the plane S₁. (9 markah/marks) Cari semua nilai a supaya isipadu paralelepiped yang ditentukan oleh u= ai +4j+k, v=-i-k dan w=i+aj-2k ialah 8 unit. Find all the values of a such that the volume of the parallelepiped determined by vectors u = ai +4j+k, v=-i-k and w=i+aj-2k is 8 unit². (3 markah/marks) Cari |3u-v +2w | jika u, v dan w adalah tiga vektor unit tak sifar saling berortogon dalam ruang. Find |3u-v +2w| ifu, v and w are three mutually orthogonal nonzero unit vectors in space.
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