Задачи по аналитической геометрии. Микенберг М.А. - 51 стр.

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2)
x = 4 + 2t,
y = 4 t,
z = 1 2t
x = 5 + 4t,
y = 5 3t,
z = 5 5t;
3)
x + 5
3
=
y + 5
2
=
z 1
2
x = 9 + 6t,
y = 2t,
z = 2 t.
x = 1 + 4t,
y = 1 3t,
z = 1 5t
x y 2z 1 = 0
x 1
2
=
y 4
3
=
z + 7
2
2x 5y z 1 = 0
3x 4y + z 2 = 0
x 5
2
=
y + 2
3
=
z 1
2
.
x + z 4 = 0
x = 1 + t,
y = 2 t,
z = 3 2t.