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Mathematics
Mathematics
Problem
If the position vectors of the points
A
A
A
and
B
B
B
are
3
i
^
+
j
^
+
2
k
^
3\hat{i} + \hat{j} + 2\hat{k}
3
i
^
+
j
^
+
2
k
^
and
i
^
−
2
j
^
−
4
k
^
\hat{i} - 2\hat{j} - 4\hat{k}
i
^
−
2
j
^
−
4
k
^
respectively, then the equation of the plane through
B
B
B
and perpendicular to
A
B
AB
A
B
is a.
2
x
+
3
y
+
6
z
+
28
=
0
2x + 3y + 6z + 28 = 0
2
x
+
3
y
+
6
z
+
28
=
0
b.
3
x
+
2
y
+
6
z
=
28
3x + 2y + 6z = 28
3
x
+
2
y
+
6
z
=
28
c.
2
x
−
3
y
+
6
z
+
28
=
0
2x - 3y + 6z + 28 = 0
2
x
−
3
y
+
6
z
+
28
=
0
d.
3
x
−
2
y
+
6
z
=
28
3x - 2y + 6z = 28
3
x
−
2
y
+
6
z
=
28
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