KEAM 2021 Math Solved Paper

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Question : 41 of 120

Marks: +1, -0

The vector equation of the line joining the points (2,1,3) and (−2,4,1) is

→
r
=2
^
i
+
^
j
+3
^
k
+λ(−4
^
i
+3
^
j
−2
^
k
)
→
r
=2
^
i
+
^
j
+3
^
k
+λ(4
^
i
+3
^
j
+2
^
k
)
→
r
=−2
^
i
+
^
j
+3
^
k
+λ(−4
^
i
−3
^
j
−2
^
k
)
→
r
=2
^
i
+
^
j
+3
^
k
+λ(3
^
i
−4
^
j
−2
^
k
)
→
r
=−4
^
i
+3
^
j
−2
^
k
+λ(2
^
i
+
^
j
+3
^
k
)

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