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Mathematics
Mathematics
Problem
The angle between the lines
2
x
=
3
y
=
−
z
2x = 3y = -z
2
x
=
3
y
=
−
z
and
6
x
=
−
y
=
−
4
z
6x = -y = -4z
6
x
=
−
y
=
−
4
z
is a.
30
∘
30^\circ
3
0
∘
b.
45
∘
45^\circ
4
5
∘
c.
90
∘
90^\circ
9
0
∘
d.
0
∘
0^\circ
0
∘
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