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Byju's Answer
Standard XII
Mathematics
Equation of a Plane : Vector Form
Find the equa...
Question
Find the equation of the plane in scalar product form
^
r
=
(
2
^
i
+
^
k
)
+
λ
^
i
+
μ
(
^
i
+
2
^
j
−
3
^
k
)
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Solution
Given plane equation is ,
¯
¯
¯
r
=
(
2
ˆ
i
+
ˆ
k
)
+
λ
ˆ
i
+
μ
(
ˆ
i
+
2
ˆ
j
−
3
ˆ
k
)
which is passes through point with position vector:
¯
¯¯¯¯¯¯
¯
O
A
=
2
ˆ
i
+
ˆ
k
and parallel to vector :
¯
¯
b
=
ˆ
i
¯
¯
c
=
ˆ
i
+
2
ˆ
j
−
3
ˆ
k
the quation of plane in scaler triple product fron is
[
¯
¯
¯
r
−
¯
¯¯¯¯¯¯¯
¯
O
A
¯
¯
b
¯
¯
c
]
=
0
⎛
⎜
⎝
x
−
1
y
−
2
z
+
1
1
0
0
1
2
−
3
⎞
⎟
⎠
=
0
(
x
−
2
)
(
0
−
0
)
−
(
y
)
(
−
3
)
+
(
z
−
1
)
(
2
)
=
0
∴
3
y
+
2
z
−
2
=
o
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0
Similar questions
Q.
Vector equation of the plane
→
r
=
^
i
−
^
j
+
λ
(
^
i
+
^
j
+
^
k
)
+
μ
(
^
i
−
2
^
j
+
3
^
k
)
in the scalar product from is
Q.
Vector equation of the plane
→
r
=
^
i
−
^
j
+
λ
(
^
i
−
^
j
+
^
k
)
+
μ
(
^
i
−
2
^
j
+
3
^
k
)
Q.
Find the vector equation of the following plane in cartesian form :
→
r
=
^
i
−
^
j
+
λ
(
^
i
+
^
j
+
^
k
)
+
μ
(
^
i
−
2
^
j
+
3
^
k
)
.
Q.
The equation of the plane which contains the lines
→
r
=
^
i
+
2
^
j
−
^
k
+
λ
(
^
i
+
2
^
j
−
^
k
)
and
→
r
=
^
i
+
2
^
j
−
^
k
+
μ
(
^
i
+
^
j
+
3
^
k
)
must be
Q.
The line through
^
i
+
3
^
j
+
2
^
k
and
⊥
to the line
^
r
=
(
^
i
+
2
^
j
−
^
k
)
+
λ
(
2
^
i
+
^
j
+
^
k
)
and
→
r
=
(
2
^
i
+
6
^
j
+
^
k
)
+
μ
(
^
i
+
2
^
j
+
3
^
k
)
is:
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