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Byju's Answer
Standard XII
Mathematics
Many-One onto Function
Distance betw...
Question
Distance between
→
r
=
^
i
+
λ
(
^
j
+
^
k
)
and
→
r
=
^
j
+
μ
(
^
j
+
^
k
)
is equal to
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Solution
We have,
→
r
=
ˆ
i
+
λ
(
ˆ
j
+
ˆ
k
)
→
r
=
ˆ
j
+
μ
(
ˆ
j
+
ˆ
k
)
d
=
∣
∣
(
ˆ
i
−
ˆ
j
)
×
(
ˆ
j
+
ˆ
k
)
∣
∣
∣
∣
(
ˆ
j
+
ˆ
k
)
∣
∣
=
∣
∣
−
ˆ
i
−
ˆ
j
+
ˆ
k
∣
∣
√
2
=
√
3
√
2
Then,
We get
√
3
√
2
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Similar questions
Q.
Find the shortest distance between the following pairs of parallel lines.
→
r
=
(
^
i
+
^
j
)
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λ
(
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^
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)
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^
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(
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^
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^
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If
→
r
is any vectors then
(
→
r
×
^
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is
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